1920 1 18 HARTFORD CONNECTICUT On the 18th there was an Aurora, in evidence from 11 p.m. to midnight. It extended from 5o E of N to 20o E of N and upwards about 5o above the horizon, showed only a steady pearl white light. 1920 2 19 JERICHO VERMONT [48 MWR 391, 1920] 1920 3 22 HARTFORD CONNECTICUT Aurora: - An unusually brilliant and extensive display on evening and night of 22nd, continuing into the 23rd. First noticed about 7:10 p.m. as an arch of palish green light, whose base extended upward at the north to about 35o above the horizon; streamers extended upward from base nearly to zenith. About 8 p.m. display showed best development, the greenish glow covering practically the entire sky at times, although the brightest portion was in the northern part of the sky; stars could be plainly seen through the display; streamers gave effect of strong rays of light shining through dust; often appearing like convolutions in drapery; there was a continual wave-like motion throughout the display, sometimes rapid. The brightness was never uniform, but seemed to be concentrated first in one portion, and then in another portion of the sky. A pale silvery green was almost the only color seen; though occasionally a pinkish or orange glow showed in the northeast. Very gradually after about 8:30 p.m. the streamers became less active and less pronounced and by 10:00 p.m. the sky assumed a nearly uniform greenish glow. Display continued into day following. Local press reported that telegraph and telephone wires were troubled during the display. 1920 3 22 IVORYTON CONNECTICUT Just before 8 o'clock ... In the NE. and toward the N. there were shafts of light almost like searchlights that appeared to be coming out from behind clouds and shooting up into the sky, but I soon discovered that there were no clouds; the brightness made the sky close by look darker by contrast. All across the N. and NW. sky streamers of light shot up, meeting at the zenith, or rather a little to the SE. of it; in the NW. the light was more diffuse and pinkish, in the N. and NE. it changed constantly, now marching across the sky from N. to E., now appearing in horizontal streaks as the sun sometimes breaks through clouds just before it sets, now mounting in spirals of light, and oftenest of all looking like a curtain waving in the wind with light shining on its folds. Sometimes all the light was gathered at the zenith like the folds of a tent, or as if one were looking at Mt. Fuji from above. The lights were greenish and yellowish white, with now and then fairly bright flashes of color, pink and green, gone almost before you could see them. ... The finest of the display after 9 was at the zenith. At first the light was like thin, filmy white clouds, like the Milky Way, only brighter. One curious thing I noticed, it did not dim the stars at all; they shone equally bright through the clouds of light or in the dark spaces of the sky between. These clouds of light shirted and changed every instant, flickering like firelight, only faster; often the light would seem to start near the northern horizon and mount to the zenith by a series of flashes, like jerky moving pictures; sometimes it mounted by quite regular corkscrew spirals, but it all seemed to focus at the zenith. More light came from the NE. and N., but the central focusing point moved south, so I had to turn and face that way after a while. All the light would gather overhead and the rays would spread over nearly the whole heavens; gradually the filmy clouds grew brighter and more solid; an irregular curve would flash off and on several times changing its shape very little and only gradually, it would be in the center of a dark part of the sky, the rays radiating from the outer circle. Sometimes just overhead the light came and went like the little waves on the margin of the sand when tide is nearly out; all the time there was constant shift and play all over the sky. These lights were colorless; gradually they grew more stationary and still whiter; a river of light appeared to flow up from the NE. and cross to the W. one broader, brighter band and several dimmer ones parallel with it; off to the north was a small spot of light like the Magellenic clouds, and as the broad band gradually moved south this small, luminous spot moved, too, without changing its shape, keeping always the same distance from the broad band. Then suddenly in the E. and NE. it grew very bright, so that the whole landscape was lighted up, and then the light was all concentrated overhead and there was a most wonderful display of light and movement with bands and spirals and spots of prismatic colors appearing and disappearing in flashes. It was like looking into an inverted cone made of rays of light. The colors were wonderful, pink predominating; sometimes a rosy glow was over large parts of it. This lasted perhaps two minutes, but not at the brightest that long; it gradually changed to white and shifting lights with one big, snaky spiral at the zenith and rays shooting up from the horizon. Later the flashes were white and like distant heat lightning in summer. There was a good deal of light in the south late in the evening; earlier there had been very little. All the time the sky was clear and the stars very bright; a slender crescent moon was shining low in the west when we first went out, I kept thinking, clothed with light as with a garment. The light seemed to have body, as if you could grasp it as you could a curtain. After this we saw the Northern Lights several nights but only as streaks of light in the north, nothing to be compared to the display on the 22d. - Ethel C. Comstock. [48 MWR 387, 1920] 1920 3 22 NEW HAVEN CONNECTICUT A brilliant aurora was observed during the night of the 22nd and 23rd. It was first observed at 8:00 p.m., but according to report was visible as early as 7:20 or 7:30 p.m. At 8:00 p.m. it consisted of several bright patches extending across the northern sky forming an irregular arch whose highest or middle point was very nearly in the meridian and estimated roughly between 20 and 25 degrees above the horizon. The segment of sky below the arch was noticeably darker than other portions of the sky near the horizon. Many bright streamers extended toward the zenith from the arch or bright patches in the north and from the horizon in the east and west. Streamers were frequently observed to move horizontally from east toward west. The color of the illuminated patches in the north and of the streamers was white or grey mixed in spots with pink or red or green. At times the colors were decidedly pink and green. At 8:10 p.m., especially, luminous patches were observed in the north colored pink on the lower side and green on the upper. An unusual feature of the display, especially noticeable in the earlier hours of the evening, was the apparent radiation of the streamers toward all points of the compass from a point a little south of the zenith, the larger and more brilliant streamers radiating toward the north while less brilliant streamers radiated toward the east and west frequently reached nearly or quite to the horizon and those radiating toward the south within 30 or 40 degrees of the horizon. The point whence came the streamers appeared to radiate was variously estimated by several observers from 5 to 15 degrees south of the zenith. Different streamers did not quite meet near the zenith, but, surrounding the point from which they appeared to radiate, there was a considerable area, perhaps 10 degrees in diameter, that by contrast with the illuminated surrounding areas appeared quite dark. The apparent centering of the streamers near the zenith became much less noticeable at 8:25 or 8:30 p.m. At this time some of the streamers, instead of extending in straight lines toward the zenith, curved toward one side or the other as the zenith was approached. Curved streamers were again conspicuous about 10:00 p.m. From 8:30 p.m. to 9:30 p.m. the display consisted chiefly of a diffused glow over practically the entire sky, grey or pink and in some spots greenish in color, with cloudlike patches of more intense illumination quickly appearing and disappearing in various portions of the sky. About 9:30 p.m. or 10.00 p.m. streamers were again frequently observed. Some appeared as bright, curving bands. At 10.00 p.m. one which was especially fine was observed. It extended from near the eastern horizon in a long uniform curve to a point well to the southward of the zenith. When first observed its width was 5 or 6 degrees, but gradually became narrower and as it did so took on a twisted appearance. At 10.00 p.m. and for a considerable time thereafter peculiar short flashes appeared in various parts of the sky, following very quickly one after another, probably several occurring within one second. These flashes were not unlike so-called heat lightning (some people referred to them as lightning) except that each flash was confined to a very small portion of the sky. The display continued until well toward morning on the 23rd, probably until 4:00 a.m. Telegraph and telephone wires were influenced to a considerable degree. It was reported that at one time during the evening operation of some press wires had to be entirely suspended for about 15 minutes. [another account, published:] ... At 10:00 p.m. ... [a bright band] extended from near the eastern horizon in a long uniform curve to a point well to the southward of the zenith. When first observed its width was 5o or 6o, but gradually became narrower and as it did so took on a twisted appearance. ... [48 MWR 382, 1920] 1920 3 22 EASTPORT MAINE An unusually brilliant auroral display visible from 6.50 p.m. to 11.30 p.m. Wide arch of about 5 degrees and colored sea-green - altitude about 25 degrees - Azimuth about 150 to 210 degrees. When first seen streamers of greenish-white starting at horizon reached beyond the zenith. Later there was a continuous pulsating in every quarter of the sky, with intermittent flashes, and very brilliantly colored "dancers" flashed rapidly from the eastern and western skies, and numerous streamers were also seen flashing in the south. The coloring was very brilliant at all times and tints noted were white, yellow, green, rose and blue. [also at 48 MWR 384, 1920] 1920 3 22 PORTLAND MAINE A remarkably brilliant aurora observed from 7:34 p.m. to 11:10 p.m. on the 22 day or the month. The arch, zenith high, extended from northwest to southwest, while great streamers spread across the eastern sky in the form of swaying, swirling greenish vapors. The lights were varied colored, although principally running to greenish hues, especially towards the close of the aurora. An interesting feature of the phenomenon was the appearance of several meteors which crossed the sky while the aurora was at its height. The display interfered somewhat with electric circuits, especially so around 9:30 p.m. Seldom has such a wonderful display been seen in this vicinity. 1920 3 22 BOSTON MASSACHUSETTS Aurora Borealis. - An aurora of unusual brilliancy occurred on the evening of the 22d, beginning shortly after dusk and ending sometime after midnight, being most spectacular from 7.30 to 8.30. The arch, generally incomplete and varying greatly in intensity from a luminous patch which moved fitfully back and forth from east to west, had an average altitude of about 40 degrees; and, although the average azimuths of the extremities of the arch were about 110 degrees and about 170 degrees, there were times when the aurora advanced past the zenith and nearly to the southern horizon and included all the sky except a portion of the southwestern quadrant. The phenomenon in the course of the evening took nearly every form it has ever been observed to assume. At times streams of light converged near the zenith in fainly colored points of light which danced for a portion of a minute and then faded away. Straight rays of light, crossing a part of the heavens, resembled powerful searchlights. Gradually diminishing in extent and intensity, the aurora was still recognized after midnight by faint, wavering patches of light. All wire service, especially telegraph, was greatly hampered during the evening, and to some extent during the day from early morning. 1920 3 22 CONCORD MASSACHUSETTS Fine display of aurora this evening. First noted at 7:05 p.m. when streamers and patches of pale greenish-yellow light appeared at intervals covering the entire northern and eastern heavens. At 8 o'clock a waving "curtain"-effect appeared in the west and northwest and this gradually gave way to fine, narrow yellowish streamers rising to the zenith with nearly the entire southern sky to within 30o of the southern horizon, pulsing with ever-changing "puffs" of yellow light. At this time no streamers or light of any description was visible in the northern sky. At 10 p.m. faint streamers came out of the NW. and rose to an altitude of 80o. Sky clear all the evening except for a few C.S. or A.S. clouds along the western horizon. [48 MWR 386, 1920] 1920 3 22 GLOUCESTER MASSACHUSETTS ... The most striking effect was that of irregularly curved bands of light sometimes 50o in length passing near the zenith, which would be strongly luminous for a few seconds and then a faint illumination would persist for several minutes. This was not due to persistence of vision, and the whole faintly luminous area would slowly drift toward the east, while occasionally ne areas would flash up, the curvatures of which would be nearly parallel to the first. This occurred several times and once four areas were noticed simultaneously wiht the same general curvatures. The faint luminosity did not flicker but gradually disappeared, unless, as occasionally happened, it would again be illuminated, sometimes with one edge more brilliantly lighted than the rest, giving an edged curtain effect. The drift of the faint luminosity was distinctly toward the east by comparing it with stars, and immediately after the discharge its intensity seemed about that of the galaxy. Estimating the drift as about 5o in 5 minutes and assuming the disturbance at 60 miles up would indicate a velocity of the ionized air of about 350 miles per hour. - H.G. Dorsey. [48 MWR 382, 1920] 1920 3 22 NANTUCKET MASSACHUSETTS A beautiful Aurora was observed from seven p.m. to 9:00 p.m. The Aurora was very unique as the northern sky was encased by a black stratus cloud which had an altitude about 30 degrees, the beautiful streamers played from behind this embankment, and they traveled from west to east through north, and then reverse, and at intervals the streamers would reach the zenith. 1920 3 22 NORTHAMPTON MASSACHUSETTS [48 MWR 391, 1920] 1920 3 22 SOUTH HADLEY MASSACHUSETTS [There were] ... beautiful draperies or scrolls in the east and a lovely converging effect of streamers, like a shower bouquet. Point of convergence close to Jupiter between 7:30 and 8, when brightness was maximum. Tried to obtain spectrum with small (Schmidt & Hensch) direct-vision spectroscope. Saw four lines (or bands) not bright enough to get color. Twice while looking a sharp bright red line flashed out; heard the "Oh's" of students at the same time. There was a good deal of pink in the west and at points overhead. The draperies were white or greenish. Display lasted on and off all night. - E.R. Laird. [48 MWR 386, 1920] 1920 3 22 WELLESLEY MASSACHUSETTS [48 MWR 391, 1920] 1920 3 22 WEST ROXBURY MASSACHUSETTS [48 MWR 391, 1920] 1920 3 22 WESTWOOD MASSACHUSETTS ... [at 7:45 p.m. the aurora] consisted of repeated folds of the "hanging curtain" type. The lower brilliant margin of the curtains reached an altitude about that of Polaris at 7:45 to 7:55, and the stronger folds or "pillars" extended to beyond the zenith.In addition to some wandering of the pillars to and fro, there was an expansion of the principal central fold of the curtain, so that pillars on the eastern edge were, on the whole, moving east and those on the western edge west. One or two more distant folds in the northeast were at this time exceedingly brilliant and the whole was remarkably clear-cut, in contrast with the blurring of the details which shortly succeeded. The entire arch rose rapidly to the zenith and at about 7:55 and 8:05 its advance pillars, being seen end-on, gave repeatedly the most brilliant coronas I have ever witnessed. At about 7:55 the vanishing point of lines of light parallel with the dipping needle was observed to be about 2o W. of Jupiter and 2o to 3o N. of same. Ten minutes later the motion of the planet had carried it on until the coronal apex was 1o E. of Jupiter and 2o to 3o N. of it. From 8:15 to 8:30, when the first and most brilliant set of curtains had passed south of the zenith, other not quite so bright series of curtains and broken arches had succeeded until the whole sky from 10o above the northern horizon to 20o above the southern was filled with patches of variously moving luminosity, but blurred as if seen through a lower phosphorescent film which dimmed the stars (previously standing out brightly on a cloudless sky). This film was not simply an ordinary cirro-stratus cloud, for it shone with a diffused glow of its own which illuminated the landscape with a peculiar shadowless light coming from every direction. There was continuous motion but it was ill-defined on account of the general obscuration by luminous haze. Others who were with me spoke of colors, but I saw only the prevailing greenish white. At 9:30 the appearance had changed to that of serpentine bands extending in a generally transverse, i.e., east-to-west, direction. These came and went, flashing out briefly in the midst of the same indefinite general illumination which extended over a large part of the sky. Coronas were not evident, although the part of the sky where they had previously been, was still filled with light. From 10 to 10:10 bright belts (N. to S.) were seen in the east, and, as it were, quivering flames southeast which, after 10 minutes, rose to the zenith. At 10:20 a bright band (20o altitude) extended E. to W. in the north and bright cloud-like bands (N. to S.) in the east. General distribution of irregular patches and serpentine bands constantly quivering. Shortly after 11 o'clock bright patches 40o to 50o broad were most evident in the east and west. The eastern one had upwardly-curving bands on its southern edge and flickered, but not through great stretches. The western mass continually cast up most vivaciously flickering "flames" which ascended upward and southward through 50o or 60o fading away to be instantly renewed in perpetual succession. This lasted a long time. Four stages may be specially noted in this display: 1. The hanging curtain, pillars, and coronas, all sharply defined, the pillars moving to and fro, but not rapidly. 2. General luminous haze and indefinite mixed forms, continually changing, but ill-defined. Sky covered with luminosity from 10o above N. horizon to 20o above S. 3. Same, but more distinct bands extending in numerous serpentine lines in a general E. to W. direction. 4. Broad bright masses, curved streamers and flickering flames. - Frank W. Very (Westwood Astrophysical Observatory). [48 MWR 386, 1920] 1920 3 22 CONCORD NEW HAMPSHIRE Also Northern Lights on evening of 22nd - See attached clipping: AURORA BOREALIS STAGES GREAT HEAVENLY DISPLAY New Hampshire Folk Are Treated to Showing of Electrical Fireworks That Was Probably Best in Many Years The entire state of New Hampshire and Manchester in particular, between the hours of 7 and 8 o'clock last evening, was treated to a most unusual display of the aurora borealis. It was something unusual as at times there was an arch of light which ran across the heavens from east to west. This only rarely happens. [apparently something missing here. Then:] fire. Another caller asked the newsman if he "heard the lights in the heavens." But they were silent though splendid. Nobody knows exactly what the aurora borealis is. Scientists say that it is of electrical origin. They are better seen in the Arctic regions, but the trolleys are not running that far. Sometimes they assume varied colors, from pale red or yellow to deep red or blood color. Last night, they were of silvery texture - if one might apply that term to light, rather than cloth - once in a while tending to light orange. There are few more enthusiastic astronomers in New Hampshire than Prof. George I. Hopkins, and the Union-Leader man got into communication with the professor. Mr. Hopkins had been watching the phenomenon for some time. He declared it one of the most beautiful heavenly exhibitions he had ever seen. From Mr. Hopkins, some idea was obtained as to the cause of the aurora borealis - so far as the scientist knows. "Scientists believe," said Mr. Hopkins, "that the northern lights are caused by the passage of an electro-magneto current from the northern magnetic pole to the south magnetic pole, through the rarefied space high over the earth. That is the nearest the scientist has come to it." Which appears to be very reasonable. Ran in Great Banks Last night the streamers ran in great banks directly overhead from east to west. That is, they occupied that part of the heavens overhead, which is termed the zenith. When northern lights take this form, they are called "the corona," or translated, "the crown." The ordinary display from the far north was also seen - the same sort of shooting streamers which are frequently observed on the approach of cold weather in the fall. They were on hand last night, and shot their points up into the "corona." At one time last night, the vivid banks of light overhead resembled a vast drapery of light, ready to settle down upon Manchester and turn the night into day. But, of course, there was no danger of such a thing. Those who observed the phenomenon last evening may rest assured of a sure thing - they may never see such a sight in all their lives again, for the corona of the aurora borealis is a rare thing. The waving streamers of light that were seen dancing from the north are in some countries called "the merry dancers." This would appear to be just the word that would fit, for the light appeared to dance. Down in the southern hemisphere, in Australia, they have these same sort of lights at certain times in the year. Then it is called the "aurora Australis," to signify the section of the world in which the phenomenon is playing. But it is the same sort of borealis - and probably meets the theory of the scientists, that the lights are the evidence of the passage of the electro-magneto current from pole to pole. It also may interest the layman to know that the zenith, or the spot overhead where the aurora cavorted last night, is the place to which the dipping magnetic needle, when suspended at its center of gravity, moves freely in a vertical plane. The arch of light last night, which sheered over to the west from the east, started in fan-like streamers, which gathered in what appeared to be a vast mass at the top of the heavens. The color was inclined to be an unearthly silvery shade - but quite vivid. Not like flames, but rather the color of the lights that sometimes appear to come from marshes in the night time - a "will o' the wisp" sort of light, only apparently thousands of times magnified. 1920 3 22 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:15 p.m. to 9:45 p.m., and was the most brilliant seen in years. The altitude of the arch was about 20o, and the azimuth extended to about 150o with streamers of blue, green and white tint ascending to an altitude of about 90o. Partly cloudy weather with cirrus clouds observed at the time. 1920 3 22 NORTH SCITUATE RHODE ISLAND [48 MWR 391, 1920] 1920 3 22 PROVIDENCE RHODE ISLAND By far the most remarkable phenomenon of the month was the brilliant aurora which was observed on the evening of the 22nd. and early morning of the 23rd. No aurora of recent years has attracted such general attention, and it seems to be the general opinion that it was the finest auroral display seen in this locality for a long period. As first seen here, the display consisted of a great arch of light, intensely green in color, spanning the northern sky from about 90o to 270o of azimuth, and rising about 45o above the northern horizon at its center. From this arch rose brilliant streamers of green light, like the beams from a battery of gigantic searchlights, which seemed to converge at a point near the zenith. These beams of light were comparatively steady; but of remarkable brilliancy, first one part, then another, of the arch lighting up with a vivid green light. About 8:15 p.m., the display diminished very much in brilliancy, and about 9.45 p.m. the arch sank to about 15o altitude in the north, and the aurora became whitish and rather indistinct in form. At this stage, except for its more rapid changes, it might easily have been mistaken for thin upper clouds. Later, about 10:30 p.m., the display became somewhat brighter, covering fully two-thirds of the sky, and pulsating rapidly; but did not approach the unearthly beauty of the great arch with its converging green streamers seen earlier in the evening. The aurora was observed here from 7:38 p.m. of the 22nd. to about 2:00 a.m. of the 23rd. Reports from parties who observed the display in the country, where the city lights were eliminated, state that there was some rose coloring observed; but none was noted here. Telegraph service was badly crippled by the electrical disturbance due to the aurora, being completely paralyzed for a time. 1920 3 22 BURLINGTON VERMONT Aurora first noticed about 7.10 p.m. and visible in varying phases for about two hours. General form was that of radiation from the zenith, at times appearing like a curtain. Color mostly white, with traces of green and red. Much derangement of telegraph and telephone wires during the height of the phenomenon. 1920 3 22 JERICHO VERMONT The [display] was unusually brilliant, auroral rays extending low down clear around the horizon, centering overhead, center somewhat south of vertical, farther south than I ever saw it before. Pulsations of the rays were often unusually vigorous. The most remarkable feature to me was the great distance the aurora extended to the south, clear down almost to the horizon, especially in the southeast. There was an unusual brilliance of the rays and nebulous light far to the southeast in the evening (for some time), exact time not noted. - W.A. Bentley. [48 MWR 382, 1920] 1920 3 24 BURLINGTON VERMONT Aurora, slight and of short duration, in the form of a patch of white light in the northwest observed at about 9 p.m. Some reports from the outside indicated that there was also some auroral disturbance on the 23rd, but it was not observed at this office or by any of the staff. 1920 4 14 HARTFORD CONNECTICUT Auroras were noted on the 14th. and the 19th. both were more or less of an indefinite glow in the north, and unworthy of special mention. 1920 4 16 NEW ENGLAND [48 MWR 392, 1920] 1920 4 17 EASTPORT MAINE Auroral glow observed from 9.20 p.m. to 10.00 p.m. No colors or flashes were noted. 1920 4 17 BURLINGTON VERMONT An aurora was observed at 10.00 p.m. It was in the form of an arc some 10o or 15o above the northern horizon. 1920 4 19 HARTFORD CONNECTICUT [see entry for 4/14] 1920 4 19 BOSTON MASSACHUSETTS [monthly summary only] 1920 4 19 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:30 p.m. to 11.30 p.m. The altitude of the arch was about 20o and the azimuth extended to about 120o with streamers reaching up to about 45o. Pale white was the predominating color. 1920 4 20 PROVIDENCE RHODE ISLAND An aurora is reported to have been seen on the morning of April 20th., but scientific details regarding it are lacking. From the description received, it evidently consisted merely of a greenish arch in the northern sky, with no streamers. It was noted about 2:30 a.m. 1920 4 20 JERICHO VERMONT [48 MWR 392, 1920] 1920 5 17 BOSTON MASSACHUSETTS Aurora. - Faint aurora observed at 7.30 p.m. from nearby suburb, but not noted at the station. 1920 6 9 BURLINGTON VERMONT Aurora observed at 10 p.m.: A band of light above a bank of clouds in the north. The cloud bank was about 5o above the horizon, and the band of light about 5o above the clouds. Faint vertical streamers were observed at times, reaching to approximately 25o above the horizon. 1920 8 20 BURLINGTON VERMONT Occurrence of an aurora reported to this office by reliable persons. No description, except "brilliant". 1920 8 21 BURLINGTON VERMONT Aurora, moderately bright white arc only, about 20o high at the highest point, observed at 10 p.m. 1920 9 8 EASTPORT MAINE Auroral arch of dull while color observed from 7.30 p.m. to 9.40 p.m. Altitude about 15 degrees. Occasional short streamers of about 10 degrees noted. 1920 9 22 EASTPORT MAINE Auroral arch of about 15 degrees altitude observed from 6.20 p.m. yo 7.15 p.m. Pulsating streamers of light greenish color noted moving from North to Northeast. 1920 10 1 NEW HAVEN CONNECTICUT An auroral arch was observed on the 1st from 7:00 p.m. to 7:30 p.m. It extended across the northern sky, at only a slight elevation above the horizon, from azimuth 155o to azimuth 205o (roughly estimated). The altitude of the middle portion of the arch above the horizon was 12o or 15o. No streamers were observed. 1920 10 6 BURLINGTON VERMONT Auroral arc about 10o high and 45o of azimuth at the north observed at 11 p.m. The arc was quite brilliant and showed green and yellow coloring. 1920 10 23 BURLINGTON VERMONT Aurora observed from 10.30 to 11.30 p.m. White light only. 1920 12 2 BURLINGTON VERMONT Auroral lights observed from 10.15 to 10.30 p.m. 1921 2 27 EASTPORT MAINE Aurora observed from 9.00 p.m. to 10.00 p.m. A few white streamers of about 10 degrees altitude observed. No colors or movement visible. 1921 4 29 EASTPORT MAINE Auroral light observed from 8.50 p.m. to 11.30 p.m. No movement and no streamers noted. 1921 5 3 BURLINGTON VERMONT Auroral arc observed at 10.40 p.m. about 20o above the horizon at the highest point (north), and extending over some 90o of azimuth. A few streamers observed at 11 p.m., but not very extensive. Colors white and yellow. 1921 5 10 BURLINGTON VERMONT Auroral arc observed from 1 to 1.20 a.m. Plain arc, about 20o above the horizon at the north. 1921 5 12 BURLINGTON VERMONT Auroral arc observed at 10.45 p.m. The arc was rather dim, but vertical streamers were observed reaching to approximately 40o above the horizon. 1921 5 14 HARTFORD CONNECTICUT An aurora was observed on the 14th. It was first noticed about 10:00 p.m. as a faint glow of light near zenith, as clouds obscured much of the northern sky. It gradually grew stronger towards midnight. Streamers showed rapid motion and a great variety of coloring; The display continued until about 3:00 the 15th. Telegraphic service was greatly crippled throughout, in fact for several hours before it was visible here. 1921 5 14 MIDDLETOWN CONNECTICUT A very bright auroral display was observed here on the evening of May 14. The sky was overcast until 10 p.m. As the clouds dissolved the aurora was noted in spite of the bright moonlight. The focus of display was near the zenith in the vicinity of the star Arcturus. From that point streamers radiated in all directions constantly changing both in position and in intensity. Across these streamers pale green pulsating clouds drifted, in general from north to south, but occasionally assuming a spiral form around the zenith. They attained their maximum brightness near the zenith where they were especially conspicuous on account of their almost instantaneous changes in intensity. Bright colors were noticed during the evening, but after the moon set about midnight, pale reds and blues appeared on the edges of the streamers and clouds. The display continued at intervals throughout the night. It was not more conspicuous in the north than in other directions. - Frederick Slocum. [Reprinted from Science, June 3, 1921, pp. 515-516, in 49 MWR 407, 1921] 1921 5 14 NEW HAVEN CONNECTICUT Aurora borealis, 14th; strong flashing, colorless streamers were observed throughout the northern heavens, extending to the zenith, and interfering considerably with wire communication; maximum brilliancy from 10:30 to 11:00 p.m. 1921 5 14 BOSTON MASSACHUSETTS Aurora noted from soon after dusk until around midnight, on the 14th. 1921 5 14 BURLINGTON VERMONT Aurora observed at intervals from 8.20 p.m. until midnight. It was first observed as a white patch of light through a break in the clouds. Later (11 to 12) streamers at intervals, resembling searchlights, were observed between azimuth 170o and 235o. These streamers appeared singly and in pairs, and reached nearly to the zenith. Earlier in the evening waves of light were observed slightly southwest of the zenith. 1921 5 16 BURLINGTON VERMONT Auroral arc observed at 10.30 p.m. 1921 6 6 BURLINGTON VERMONT Aurora observed at 10.40 p.m. as an arc not to exceed 10o above the northern horizon, with very noticeable streamers extending to about 25o. 1921 8 30 EASTPORT MAINE Aurora observed between 7.15 p.m. and 7.45 p.m. Few streamers noted, but no movement or colors. 1921 9 1 EASTPORT MAINE Auroral light (very bright) observed from 8.05 p.m. to 9.00 p.m. No colors, nor streamers noted. 1921 9 1 BURLINGTON VERMONT Auroral arc about 20o high and of about 90o of azimuth observed from 8 to 10 p.m. Later it developed into a display extending to the zenith and showing the usual colors, green, pink, and yellow. 1921 9 7 HARTFORD CONNECTICUT There was an Aurora on the 7th. About 7:30 p.m. appeared a narrow band with a slight arched shape, of a pale yellow color, extending from 10o west of North to about 30o east of North, and fifteen degrees above horizon. It rose slowly until about 10:00, when it was about 30o high, and of a brighter color. It then gradually disappeared. No wave movement and no streamers were observed. 1921 9 7 EASTPORT MAINE Aurora observed from 7.30 p.m. to 9.15 p.m. A few streamers noted, without movement or colors. 1921 9 7 BURLINGTON VERMONT Aurora observed from 7.45 p.m. until after 11 p.m. At first it was a plain band of light in the form of a low arc, but later changed to a "curtain" formation, showing various and constantly shifting vertical rays of varying colors. 1921 9 8 BURLINGTON VERMONT Aurora observed at 11 p.m. A rather faint band extended across the northern sky about 20o above the horizon. At approximately azimuth 170o one streamer was observed reaching to about altitude 50o. 1921 9 16 EASTPORT MAINE Faint aurora observed from 7.30 p.m. to 7.50 p.m. A few streamers noted with movement from west to east. No colors. 1921 9 22 PORTLAND MAINE On the 22d instant an aurora was reported as observed from 8:20 p.m. to 11:30 p.m. Most brilliant between 8:35 p.m. and 9:20 p.m. when three arches extended from east to west, crossing near the northern horizon, at about 46 degrees, and at 180 degrees. 1921 9 28 BOSTON MASSACHUSETTS Aurora Borealis. - Faint aurora observed 28th, from 9 p.m. until after 10 p. Three bands of whitish light from west to east; altitude, 85o; azimuth, 90o to 170o. 1921 9 28 BURLINGTON VERMONT Aurora observed 8 to 9 p.m. 1921 9 30 BURLINGTON VERMONT Aurora observed at 8.30 p.m. 1921 10 1 BURLINGTON VERMONT Auroral arc about 15o above the horizon observed from 1.30 to 1.45 a.m. 1921 10 27 EASTPORT MAINE Auroral light observed from 7.20 p.m. to 8.15 p.m. No streamers nor colors noted. 1921 10 27 BURLINGTON VERMONT Auroral arc observed at 7.30 p.m. extending through about 90o of azimuth and about 18o above the horizon at the north. 1921 11 5 HARTFORD CONNECTICUT There was an Aurora on the 5th. During the evening the sky was overcast, but cleared about 9:30 when the aurora was visible. It was merely a whitish glow about 20o high, and extending from ten degrees west of north to ten degrees east of north. It disappeared between 11:30 p.m. and midnight. 1921 11 5 BLOCK ISLAND RHODE ISLAND A faint aurora observed from 7:30 p.m. to 9:30 p.m. No streamers. 1921 11 5 BURLINGTON VERMONT An aurora was observed on the 5th. 1921 12 22 HARTFORD CONNECTICUT Auroras were observed on the 22 and 27th. The first one was visible at 7:30 p.m. a feint pearly white band 10o wide 25o high extending from 45oW to 30o E. was of cloud shape but increased in intensity to a decided irregularly shaped band until 7:55 p.m. when there was a few faint streamers that nearly reached the zenith. It then gradually decreased and by 9 o'clock it had disappeared. 1921 12 22 EASTPORT MAINE Auroral glow observed from 7.30 p.m. to 9.15 p.m. No colors or streamers noted. 1921 12 22 BURLINGTON VERMONT Aurora observed from 7.30 to 9.30 p.m. A band of whitish light stretched across the northern sky and extended from the horizon to about 15o above. An occasional faint vertical streamer was noted. 1921 12 27 HARTFORD CONNECTICUT The 27th. was observed ay 9:15 p.m. nearly a flat yellowish glow extending upwards from the horizon to about 30o and from 20o E to 20o W of north. It gained in extent and brilliancy until about 11:15 p.m. when it had extended about ten more degrees along each horizon and about 40o high. It was then of a decided greenish tint with a few streamers extending upward to 60o. It disappeared quite abruptly about 11:30 p.m. 1921 12 27 BURLINGTON VERMONT Aurora observed from 11.45 p.m. to midnight. A bank of cloud (apparently alto-stratus) covered the northern sky from the horizon to an altitude of approximately 25o. The aurora showed above and at each end of this cloud bank, and many vertical streamers extended about 10o above the cloud. 1921 12 28 BURLINGTON VERMONT Aurora continued from the 27th, and was observed as late as 12.15 a.m. It was then bright. Aurora again observed at 7.45 p.m., a plain arc across the northern sky. 1922 1 6 EASTPORT MAINE Auroral light observed from 8.45 p.m. to 11.20 p.m. No colors nor streamers observed. 1922 1 24 EASTPORT MAINE Auroral glow observed between 9.00 p.m. and 10.00 p.m. No colors or streamers. 1922 1 24 BURLINGTON VERMONT Aurora observed 9.15 to 9.50 p.m. An arc 18o to 205 [typo for 20o ?] in elevation stretched across the northern sky. Many vertical streamers reaching up approximately 25o higher had an apparent movement of following one another eastward. 1922 1 31 BURLINGTON VERMONT Aurora observed 7 to 9 p.m. There appeared ony a faint irregular band of light across the northern sky, and when last observed there were only "patches" of light. 1922 2 4 EASTPORT MAINE Aurora observed between 11.00 p.m. and 11.45 p.m. Numerous pulsating white streamers of about 20 degrees altitude noted, with movement west to east. 1922 2 15 EASTPORT MAINE Very brilliant auroral display from 12.30 a.m. to 1.40 a.m. Azimuth of arch, 150 to 210 degrees; altitude about 20 degrees. Streamers radiated from all parts of the arch reaching an altitude of about 30 degrees. Display was of light green color, with occasional streaks of yellow and white in streamers. 1922 2 28 BURLINGTON VERMONT Aurora observed at 11.50 p.m., continuing until after midnight. There were clouds in the northern sky, and above and below these the aurora plainly showed as a broad band of light. 1922 3 1 BURLINGTON VERMONT Aurora, continuing from the 28th of February, was observed after 12 midt. this date. 1922 3 12 EASTPORT MAINE Aurora observed from 7.30 p.m. to 8.00 p.m. A few streamers of greenish tint, altitude about 15 degrees, notes, with moderately rapid movement. 1922 3 18 EASTPORT MAINE Auroral arch of about 20 degrees altitude observed from 12.30 a.m. to 1.45 a.m. Their movement was not very rapid. 1922 3 19 EASTPORT MAINE Aurora observed from 10.00 p.m. to 10.35 p.m. A few white streamers moving slowly observed at an altitude of about 30 degrees. 1922 4 22 BURLINGTON VERMONT Aurora observed between 12.15 and 1 a.m. A bright band of light showed white along the northern horizon, extending approximately 20o in altitude. Waves of light flashed from this band and extended upward to the zenith. 1922 4 23 BURLINGTON VERMONT Aurora observed between 9 and 11 p.m., in the form of a light colored band across the northern sky. 1922 4 25 EASTPORT MAINE Aurora observed from 7.45 p.m. to 8.30 p.m. Several shafts of 30 degrees altitude, color, white, noted appearing and re-appearing, but without movement. 1922 4 25 BURLINGTON VERMONT A faint auroral arc observed at 10:40 p.m. 1922 7 14 HARTFORD CONNECTICUT There were auroral displays on the 14, 26, and 28th. but of no special extent. 1922 7 14 BURLINGTON VERMONT Aurora observed at 10.40 p.m.: An arc of light extending across the northern sky reaching an extreme altitude of about 15o, with occasional vertical streamers. 1922 7 26 HARTFORD CONNECTICUT [see entry for 7/14] 1922 7 26 EASTPORT MAINE Auroral light observed from 8.15 p.m. to 9.00 p.m. No streamers, nor colors noted. 1922 7 28 HARTFORD CONNECTICUT [see entry for 7/14] 1922 8 20 CONCORD NEW HAMPSHIRE Northern lights observed between 8 and 9 p.m. of Aug. 20". 1922 9 20 BURLINGTON VERMONT Aurora observed between 9.30 and 10.00 p.m. consisting of the usual arc at the north, without accompanying streamers or other appendages. 1922 9 27 EASTPORT MAINE Aurora observed from 7.20 p.m. to 8.15 p.m. Numerous pulsating streamers of light greenish color ranging from 20 degrees to 35 degrees, moved from West to East and vice versa. 1922 10 30 HARTFORD CONNECTICUT An aurora occurred on the 30th. The display commenced about &;25 p.m. with an arc in the northwest. There was a greenish tint extending from 20o NE to 20o NW, and about 20o above the horizon. At 730 it had widened and become a deeper green, the greenish glow however appeared mostly along the horizon and soon disappeared. By 735 the arc extended upward to 45 degrees and by 740 there were 2 arcs but the lower one soon disappeared, the entire northern sky becoming greenish again and gradually deepened. The display separated into 4 arcs perfect in form, all equidistant about 5 degrees. By 745 the display had practically disappeared, excepting the second arc above the horizon remained in its original position; this however was not visible by 800 p.m. Along the northwestern horizon however there was a deeply green colored glow that was out of sight within a few minutes. Green was the only color visible during the display, and there were no streamers observed. 1922 10 30 NEW HAVEN CONNECTICUT [monthly summary only] 1922 10 30 BLOCK ISLAND RHODE ISLAND A faint aurora was observed from 7 p.m. to 9 p.m. The altitude of the arch was about 20o and the azimuth extended from about 130o to 230o. Pale green color. No streamers. 1922 10 30 PROVIDENCE RHODE ISLAND A faint auroral display was observed from 7:30 to 7:50 p.m. on October 30th. The display consisted of an arch of diffused greenish light rising some 15 or 20 degrees above the northern horizon, and extending from about 135o to 225o in azimuth. But little activity could be detected, and this only in slow changes in the brilliancy of the arch. No streamers were visible, possibly due to the fact that the moon made conditions unfavorable for observation. 1923 2 7 BURLINGTON VERMONT Aurora observed at 7.40 p.m. in the form of a bright nebulous spot about 10o above the northern horizon, and fainter bands of light streaming horizontally away from it. 1923 3 24 HARTFORD CONNECTICUT an aurora was observed on the 24th. It began during the evening, but only observed at 10:00 o'clock as a dull glow in the north from about 10 to 12 degrees on both sides of north, about 15 degrees high. There was a light lanander hue, but all colors disappeared at 10:10 when streamers appeared, wavering and rising to about 45 degrees. and coming from all northerly directions. At 10:30 streamers disappeared and there was a light glow or blotches, with a quivvering or wavering effect until 11:00 p.m., and ended soon thereafter. 1923 3 24 NEW HAVEN CONNECTICUT [monthly summary only] 1923 3 24 BOSTON MASSACHUSETTS [monthly summary only] 1923 3 24 BURLINGTON VERMONT Brilliant aurora observed from 9 to 11.30 p.m. This aurora was not observed by the station force, so a careful description of it cannot be made. 1923 3 25 BOSTON MASSACHUSETTS [monthly summary only] 1923 7 6 HARTFORD CONNECTICUT An aurora was observed on the 6th. First observed at 9:37 p.m. in northwest, extending from 35o West to about 25 East. An arch of streamers about 20o above the horizon, the streamers extending upward about five degrees. They were without motion and practically without color merely a dull glow. The sky below the arch presented no unusual features - merely a dull glow, though brighter than the rest of the sky. The night was exceptionally clear, with numerous very bright stars. 1923 9 26 EASTPORT MAINE Auroral arch observed from 7.15 p.m. to 9.00 p.m. Numerous pulsating streamers of light greenish and white color ranging from 20 degrees to 40 degrees moved from West to East and vice versa. 1923 10 15 HARTFORD CONNECTICUT There was an aurora on the 15th. 1923 10 16 EASTPORT MAINE Auroral arch observed between 6.20 p.m. and 7.15 p.m. Few streamers of light greenish color, altitude 20 degrees, with movement from West to East and vice versa. 1923 10 16 BLOCK ISLAND RHODE ISLAND Faint aurora observed from 7:00 p.m. to 7:45 p.m. It was an arch of about 80o, with its center due north. Its altitude was about 20o, with pale green streamers reaching up to about 60o. 1923 10 16 BURLINGTON VERMONT Aurora observed at 8.50 p.m. There was a veil of light across the northern sky, with distinct streamers toward the zenith, one in the northeast being particularly brilliant, like the beam from a search light. 1924 5 5 NEW HAVEN CONNECTICUT [montly summary only] 1924 5 6 NEW HAVEN CONNECTICUT [montly summary only] 1924 6 30 PORTLAND MAINE [monthly summary only] 1924 8 3 BOSTON MASSACHUSETTS An aurora was noted on the 3d, 8.10 p.m. to 11.00 p.m. It was not very brilliant at any time, but was brightest at 9.00 p.m. 1924 9 23 HARTFORD CONNECTICUT An aurora was observed during the evening of the 23rd. 1924 9 23 PORTLAND MAINE Brilliant aurora reported - Not observed by Weather Bureau officials. 1924 9 23 CONCORD NEW HAMPSHIRE [monthly summary only] 1924 9 23 BURLINGTON VERMONT Very brilliant aurora observed at 11 p.m., at which time searchlight like beams of yellow light were constant from the northern horizon, and undulating flashes covered the whole northern half of the sky, frequently passing far beyond the zenith into the southern sky. It had practically disappeared by 11.30 p.m. Upon inquiry it was learned that the display had been continuing from about 10 p.m. 1924 10 22 BURLINGTON VERMONT Aurora observed at 9.20 p.m.; A simple band of light, about 15o in altitude at the north, extended from NW to slightly west or north. 1924 10 23 HARTFORD CONNECTICUT An aurora occurred on the 23rd. It was quite faint and no streamers appeared. 1924 10 23 EASTPORT MAINE Aurora observed from 7.15 p.m. to 9.45 p.m. Arch altitude about 20 degrees. Azimith about 150 degrees to 220 degrees. Streamers of yellowish and greenish tinge reached altitude of about 30 degrees occasionally. 1924 10 23 PORTLAND MAINE An auroral display began sometime after 8 p.m. and ended during the night. This display was confined to the northern horizon and consisted of a shimmering white light bordered by a high arch. 1924 10 23 BURLINGTON VERMONT Aurora observed from 7.45 to 8.30 p.m., similar to the one described on preceding date, and extending from about NNE to NW, and about 18o in altitude at north. 1924 10 24 EASTPORT MAINE Auroral display from 7.30 p.m. to 10.00 p.m. consisting of a white arch; no streamers noted. Altitude about 15 degrees, azimuth about 150 degrees to 220 degrees. 1924 10 24 PORTLAND MAINE An auroral display observed shortly after 8 p.m. extended nearly around the horizon and was much brighter in the west and southwest than it was in the north. It consisted of brilliant streamers. Stars were visible throughout the entire radiance which displayed the colors of green, yellow and intense white. Occasionally shafts of rose colored light would rise high in the sky. Aurora most brilliant about 10 p.m. 1924 12 21 HARTFORD CONNECTICUT [monthly summary only] 1925 5 27 EASTPORT MAINE Aurora observed from 9.10 p.m. to 10.00 p.m. Arch altitude about 20 degrees; azimuth about 135 degrees to 220 degrees. Pulsating streamers of greenish and yellowish tinge reached altitude of about 30 degrees occasionally. 1925 8 22 HARTFORD CONNECTICUT A faint aurora was observed from 9:45 p.m. to 10.15 p.m. on the 22nd. 1925 8 22 EASTPORT MAINE Auroral display noted between 8.40 p.m. and 9.50 p.m. Altitude of arch about 20 degrees; azimuth about 140 degrees to 200 degrees. Few streamers, without coloring, reached altitude of about 30 degrees occasionally. 1925 9 6 EASTPORT MAINE Auroral arch observed from 7.15 to 8.50 p.m. altitude about 20 degrees; azimuth 150 to 220 degrees. No streamers. 1925 9 14 HARTFORD CONNECTICUT Auroras occurred on the 14th and 23rd. The display of the 14th lasted from 7:30 p.m. to 10:00 p.m. It was quite vivid with streamers extending about 50o above the horizon. Its beauty, however, was greatly marred by a field of cumulus clouds in the northwest, about 25o above the horizon. 1925 9 14 EASTPORT MAINE An auroral display of unusual brilliancy was observed from 7.00 p.m. continuing until after Midnight. When first observed it was in the form of an arch, with altitude of 20 degrees and azimuth of about 170 to 220 degrees and continued this way till 7.30 p.m. when it developed great activity and increased greatly in extent, with entire sky covered, except in the South and Southwest where from Azimuth 350 to 55 degrees at altitude up to 20 degrees no display was noted at any time. At 7.30 p.m. streamers began to grow rapidly toward the Zenith, first in the Northwest and shortly after in the North and Northeast. By 7.45 p.m. the Aurora had spread from 55 to 350 degrees and the streamers at this time began to flash vigorously and grow brighter, having the appearance of beams from a giant searchlight. They moved across the sky from Northwest to East and Southeast, reaching from the Northern horizon beyond the Zenith to within about 30 degrees of the Eastern and Southern horizon. During the period from 7.45 to 8.00 p.m. the greatest streamer activity occurred, with the sky overhead filled with parallel waves of rapidly moving pulsing flashes of light. These waves followed each other in very rapid succession, four or five being visible at a time and separated by dark spaces. These pulsating waves gradually subsided after 8.00 p.m. and were not seen again after 8.25 p.m. At 8.15 p.m. the display appeared as of the "hanging curtain" type in the North, with the folds reaching altitude of about 30 degrees on the extreme ends and gradually lengthening till in the center they reached altitude of 50 degrees. This formation was very bright and was steady at times for 8 or 10 seconds, then "Merry Dancers" would wave from West to East and vice versa for a few seconds, the curtain gradually fading till at 8.30 p.m. but a faint glow remained in the North. This continued with some slight streamer activity till 1.30 a.m. of the 15th when last observed as faint arch. Color of display, mostly white, with some faint green and yellow tints. 1925 7 14 NANTUCKET MASSACHUSETTS Miss Harwood Manager of the Marie Mitchell Observatory reports a well defined Aurora from 9:00 p.m. to 10:00 p.m. At 9:30 p.m. the streamers reached half way to zenith the display was of a yellowish tint and reached from North northwest to north. 1925 7 14 BURLINGTON VERMONT Rather brilliant aurora observed at 11 p. The usual arc across the north with flashes intermittently approaching the zenith. 1925 8 22 BURLINGTON VERMONT Auroral arc observed in the north at 11.30 p.m. 1925 9 14 BURLINGTON VERMONT Aurora observed between 7.45 and 11.45 p.m. When first seen the aurora covered practically all the sky, even down to within approximately 30 degrees of the southern horizon. Two centers of action were prominent, one in the east and one in the west. Streamers, flashes, and veils of light illuminated the sky, with pulsating movements. 1925 9 15 EASTPORT MAINE Auroral display continued till about 1.30 a.m. 1925 9 23 HARTFORD CONNECTICUT The auroral display of the 23rd was not very vivid and was observed only from 10:30 p.m. to 11.45 p.m. A few streamers, extending about 25o above the horizon were noted. 1925 9 23 BURLINGTON VERMONT Aurora observed between 9 and 11.30 p.m.: simple arc of light in the north. 1925 10 11 EASTPORT MAINE Auroral arch observed from 7.40 p.m. to 8.25 p.m. Altitude of arch about 20 degrees; azimuth about 170 degrees to 220 degrees. 1925 10 15 EASTPORT MAINE Auroral display observed from 8.25 p.m. to 10.00 p.m. First observed in form of arch; altitude about 15 degrees; azimuth about 160 degrees to 220 degrees. Some streamer action observed about 8.35 p.m. and at 8.40 p.m. there was considerable of same, streamers reaching altitude of 30 degrees and moving from West to East and vice versa. The streamers were of light greenish color. 1925 10 21 PORTLAND MAINE A brilliant aurora consisting of green and red streamers reaching nearly to the zenith, reported during the early evening. 1925 10 23 HARTFORD CONNECTICUT An aurora was observed during the evening of the 23rd and the early morning of the 24th. It was quite vivid at times, consisting mainly of a pearly glow in the northern sky. Streamers were observed at intervals but they were faint. 1925 10 23 EASTPORT MAINE A very brilliant auroral display observed from 8.25 p.m. and continuing at midnight. First observed in form of dull white arch, with altitude about 30 degrees and increased to 35 degrees; azimuth 100 degrees to 230 degrees. There was considerable streamer action at times, "Merry Dancers" moving rapidly from West to Northeast and vice versa. Some streamers extended to the Zenith; they were colored light green. 1925 10 23 GREENVILLE MAINE [monthly summary only] 1925 10 23 PORTLAND MAINE An auroral arch observed at 7:40 p.m. bordering a dark bank extending across the northern sky from east to west about fifteen degrees above the horizon at the highest point. Short streamers extended along the entire arch until about 8:45 p.m., then disappeared followed at 9:30 p.m. by a reappearance of the streamers which reached nearly to the zenith and faded about 10.10 p.m. The dark bank continued until 11:30 p.m. and was followed by stratus clouds which covered a large portion of the northern sky. The entire display consisted of white light only. 1925 10 23 BOSTON MASSACHUSETTS Aurora Borealis. - An aurora was noted the evening of October 23d from about 8.00 until 11.30. Az., 150o to 200o; altitude of horizontal band 10o to 30o; and of streamers, up to 60o. 1925 10 23 BLOCK ISLAND RHODE ISLAND A bright auroral arch was observed from 8:30 p.m. to 10:30 p.m. It was an arch of about 80o with its center due north. Its altitude was 20o with a small dark underneath. No streamers observed up to 10:30 p.m. The color was pale green. 1925 10 23 PROVIDENCE RHODE ISLAND On October 23rd. an aurora was observed by a number of people in and outside of the City. Brilliant arches formed just before moon-set, and again about 10:15 p.m. 1925 10 24 EASTPORT MAINE Auroral display continued from Midnight a.m. to 4.30 a.m., with lesser streamer activity than before Midnight. 1925 10 31 EASTPORT MAINE Auroral display noted from 8.40 p.m. to 11.00 p.m. Some streamer action, with streamers reaching nearly to Zenith. Arch altitude about 30 degrees; azimuth, 110 degrees to 200 degrees; color of display, light green. 1925 11 8 HARTFORD CONNECTICUT Auroras were observed on the 8th, 9th, 10th and 24th. None were very vivid or displayed any unusual features. 1925 11 8 BOSTON MASSACHUSETTS On the evening of the 8th, from 8.30 to 11.30 an aurora was noticed, the estimated azimuth being from 115o to 195o and the altitude of the band from 10o to 30o. 1925 11 8 BLOCK ISLAND RHODE ISLAND A faint auroral arch was observed from 10 p.m. to 11:30 p.m. It consisted of an arch of about 80o in width and extending to an altitude of about 20o. No streamers observed. The color was pale green. 1925 11 8 PROVIDENCE RHODE ISLAND On November 8th. a brilliant aurora was visible, at times, during the evening. Between 11:00 p.m. and 11:30 p.m. there was an elliptical arch of about 15o altitude in the north, with occasional streamers extending vertically above the arch, and also downward to the horizon. The arch and streamers were both pale green. 1925 11 9 EASTPORT MAINE Auroral display observed between 5.55 p.m. and 10.30 p.m. Altitude of arch about 30 degrees; azimuth about 120 degrees to 220 degrees. Display mostly in form of arch, but some streamer action from 7.35 p.m. to 8.15 p.m. Streamers colored light green. 1925 11 9 BOSTON MASSACHUSETTS An auroral display was also reported on the 9th, from 7.45 p. to 10.30 p.m., with azimuth of 140o to 195o and altitude of top of arch, 15o. (Neither of these [this one and that of 11/8] auroras was seen at the station, but reported by Weather Bureau employees in the suburbs.) 1925 11 10 BURLINGTON VERMONT Aurora observed between 6.30 p.m. until 11 p.m. Simple arc over the northern sky most of the time, but with an occasional narrow streamer like a searchlight ray toward the zenith. 1925 12 15 EASTPORT MAINE Auroral arch observed from 7.15 p.m. to 9.15 p.m. Display in form of white arch, with change at time to greenish tint. No streamers were observed. Altitude about 20 degrees; azimuth about 110 to 220 degrees. 1926 1 22 HARTFORD CONNECTICUT An auroral display was observed on the 22nd between 7:15 p.m. and 8:45 p.m. It was of short duration but quite vivid. A rather unusual feature was the decidedly ruddy hue of some of the streamers, which extended about 50o above the horizon. 1926 1 22 EASTPORT MAINE Very brilliant auroral display observed between 7.00 and 8.15 p.m. Display first observed in form of dull white arch, with altitude about 15 degrees and azimuth 110 degrees to 200 degrees. At 7.20 p.m. streamers pulsating slightly began to shoot up toward the Zenith and slightly beyond, at times crossing and criss-crossing like searchlight rays; colors of streamers, white, green and orange. Display at it's height extended from 20 degrees to 240 degrees, azimuth. 1926 1 22 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:15 p.m. to 8:15 p.m. The auroral arch extended from northeast to northwest about 30o up from the horizon, and was attended by the waves of color from faint red to a bright pink. The predominating color of the display was bright pink and pale green. 1926 1 22 NORTH SCITUATE RHODE ISLAND [see entry for Providence, 1/22] 1926 1 22 PROVIDENCE RHODE ISLAND On January 22nd. an aurora was first seen about 6:30 p.m. and continued for 2 hours, with maximum brilliancy about 7:30 p.m. The arch extended from the northwest to the northeast, to an altitude of about 30o above the horizon. The color at the northeast end of the arch changed imperceptibly from a pale red to a bright pink, becoming at the northwest end a white or pale green. The streamers were of rose, lavender and green, with occasional narrower streamers of greater brilliancy. Successive waves of color seemed to move upward from the horizon to the zenith. (The above account of the aurora was taken from a description given by Lewis Boss of the astronomical observatory of F.E. Seagraves, at North Scituate, R.I. The aurora was also seen by many local residents) 1926 2 4 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 10:30 p.m. to 11:30 p.m. The altitude of arch was about 20o extending from northeast to northwest with streamers of pale yellow ascending to an altitude of about 40o. 1926 2 11 BURLINGTON VERMONT Aurora observed between 9 p.m. and midnight. 1926 2 23 EASTPORT MAINE Auroral display observed from 5.45 p.m. to 7.00 p.m. Display in form of streamers of greenish, red and white tinge, extending to maximum height of 70 degrees about 6.45 p.m. Streamers pulsated slightly. No arch observed. 1926 2 24 EASTPORT MAINE Auroral observed from 8.15 p.m. to 11.00 p.m. Display mostly in form of arch extending from 110 degrees, azimuth; altitude about 15 degrees. Some streamers not very active, between 9.00 and 9.30 p.m. Streamers reached altitude of 30 degrees. Color of display, white. 1926 2 24 BURLINGTON VERMONT Aurora observed 12.10 to 12.20 a.m. The northern sky was nearly covered with bands and plumes of light, reaching from the horizon to beyond the zenith at times. One ribbon of light had a distinct reddish hue. 1926 3 5 HARTFORD CONNECTICUT Aurorae occurred on the 5th and 9th. 1926 3 5 EASTPORT MAINE An auroral display of unusual brilliancy observed from 7.30 p.m. and continuing at Midnight. Display first observed in form of dull white arch, with altitude of 20 degrees and azimuth about 175 to 220 degrees. About 8.20 p.m. it developed great activity and increased considerably in extent, with rapidly moving "Merry Dancers" and pulsating streamers reaching to the Zenith, with display covering nearly all of the northern half of the sky. At 10.30 p.m. the display extended to the southern half of the sky and by 10.50 p.m. it covered the entire sky, except a small portion near the southeastern and southern horizon. During the period from 10.15 p.m. to 10.45 p.m. the greatest streamer activity occurred, with the pulsing waves and bands of light moving very rapidly. After 11.00 p.m. the display gradually diminished in extent and energy, but continued at Midnight. Colors observed - mostly light green, with some deeper green and yellow tints. 1926 3 5 PORTLAND MAINE [monthly summary only] 1926 3 5 BOSTON MASSACHUSETTS Auroral displays were observed on the 5th, 9th and 25th, but all were rather faint and quite indefinite. On the 5th rays of a faint greenish color were observed for a few minutes at about 11.25 p.m. On the evening of the 9th, auroral lights were noted from 7 to 9. "Polar bands" were seen from 9 to 10.20 p.m., on the 25th, being very bright at 9.15. 1926 3 5 CONCORD NEW HAMPSHIRE [monthly summary only] 1926 3 5 BURLINGTON VERMONT Aurora observed at 11.30 p.m. in the form of pulsating flashes from the northern horizon to the zenith. 1926 3 6 EASTPORT MAINE Aurora continued from Midnight a.m. to 3.00 a.m. 1926 3 9 HARTFORD CONNECTICUT [see entry for 3/5] 1926 3 9 NEW HAVEN CONNECTICUT [monthly summary only] 1926 3 9 PORTLAND MAINE [monthly summary only] 1926 3 9 BOSTON MASSACHUSETTS [see entry for 3/5] 1926 3 9 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:30 p.m. to 10:30 p.m. The auroral arch extended from northeast to northwest, about 30o up from the horizon: and was attended by waves of white or pale green with tints of bright pink. The phenomenon was most pronounced between 9 and 10 p.m. 1926 3 9 PROVIDENCE RHODE ISLAND On the evening of March 9th., an aurora of unusual brilliacy was observed. The arch formed a span of about 75o, was about 5o in width, and extended upward to an extreme altitude of about 20o. The center of the arch was almost due north. The arch, of a whitish hue, was first noted at 7:45 p.m. A little later, streamers of a bright green color began to shoot upward, and the period of greatest brilliancy was reached about 8:15 p.m. The streamers extended upward to an altitude of from 10o to 30o above the arch, and some bright streamers were seen below the arch. Above the arch the streamers were most brilliant east of the center, while below the arch the streamers were most brilliant west of the center. The phenomenon was observed to continue to about 9:15 p.m. Outside reports of the aurora included a greenish hue to the arch, with crimson streamers; other colors reported seen were lavender and yellow, but it was generally conceded that green was the predominating color throughout the display. 1926 3 9 BURLINGTON VERMONT Aurora observed 7.15 to 7.45 p.m. as a band of light extending across the northern sky, its upper edge some 20o above the horizon. 1926 3 21 EASTPORT MAINE Auroral arch of about 20 degrees altitude, azimuth about 110 to 220 degrees, observed from 7.30 p.m. to 8.15 p.m. Arch of dull white color; no streamers. 1926 3 25 BOSTON MASSACHUSETTS [see entry for 3/5] 1926 4 6 PORTLAND MAINE [monthly summary only] 1926 4 14 HARTFORD CONNECTICUT An aurora occurred on the 14th, continuing after midnight to the early morning of the 15th. Streamers were present at intervals but the display consisted mostly of extended fields of pearly light from (approximately) azimuth 130o to 240o and at times extending to 20o to 30o south of the zenith. 1926 4 14 NEW HAVEN CONNECTICUT [monthly summary only] 1926 4 14 EASTPORT MAINE An unusually brilliant auroral display occurred this evening. It was first observed at 8.15 p.m. at which time vibrating streamers of greenish hue appeared in the North and in a few minutes they extended to all parts of the sky, radiating from the entire circumference of the horizon and converging at the zenith, appearing like the ribs of an umbrella; nearly all of streamers seemed to be about equal length. About 9.30 p.m. throbbing successive parallel waves of light were observed in upper part of sky extending from NW to SE, from about 30 degrees above horizon in NW to about 10 degrees beyond zenith in southeast; they were like rays of huge searchlight and succeeded each other with exceptional rapidity, vibrating from East to West and spaces between appeared very dark. A luminous curtain and dancers observed in NW about 10.00 p.m. to 10.30 p.m., color of curtain, yellowish green and at times dull red tinge. Display gradually faded from 10.30 p.m., but was observable at Midnight. 1926 4 14 PORTLAND MAINE [monthly summary only] 1926 4 14 BOSTON MASSACHUSETTS Aurora. - Noted as soon as darkness set in, it consisted at 8.25 of faint wavering streaks and patches of light. At 9.00, it was still faint and ill-defined, having an azimuth of 135 degrees to 180 degrees and an altitude of about 40 degrees. At 9.50 quite brilliant bands of wavering light rapidly extended from east to west. Az. about 90 to 270 and alt. of 90 or more. Nothing especial in the north noted from the station, presumably on account of the lights of the city. At 10.20 the aurora had become so faint as to make its presence doubtful, but at 10.30 auroral lights were again noticeable. It continued until after 3.00 a.m. of the 15th and was said to have been quite brilliant. 1926 4 14 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:25 p.m. to 11:30 p.m. The auroral arch extended from northeast to west, about 30o up from the horizon and was attended by waves shooting up toward the zenith, which made the display one of night sky's most beautiful sights. The phenomenon was most prominent between 9 and 10:30 p.m. The colors being tints of rose and pale green. 1926 4 14 NORTH SCITUATE RHODE ISLAND [see entry for Providence, 4/14] 1926 4 14 PROVIDENCE RHODE ISLAND A brilliant aurora was visible on April 14th. from shortly after sunset to midnight. The most notable feature was the large area of the sky covered by the display, especially between 10:15 and 10:30 p.m., when some of the streamers extended more than 20o south of the zenith. During much of the time the arch was noted with span of about 75o, with center 5o to 10o east of north, and altitude at highest point 20o to 25o. Streamers with a light greenish tinge were noted shortly after 9:00 p.m. At 10:15 p.m. rapid pulsations of light were noted, the direction of motion appearing to be from north to south. The display was seen by many people of this vicinity, many reporting pronounced color effects, green, yellow, gold, pink, cerese and scarlet, and many noting the flickering of the light. The aurora was observed by Prof. C.H. Currier at Brown University and Prof. F.E. Seagrave and Mr. L.J. Boss at Mr. Seagraves' observatory in North Scituate. All commented on the brilliancy of the display. Shortly before midnight, Mr. Boss states, the streamers spread like fine white feathers over practically the whole sky. The electrical disturbance caused some interference with telegraph and telephone lines. 1926 4 15 EASTPORT MAINE Aurora noted on 14th continued from Midnight a.m., gradually fading but observable at 2.00 a.m. Auroral arch of about 20 degrees altitude; azimuth, 150 degrees to 200 degrees, observed from 9.10 p.m. to 10.30 p.m. Color, dull white - no streamers. 1926 4 15 BURLINGTON VERMONT Aurora observed at 10.30 p.m.; simple arc in the north, with an occasional vertical streamer. No colors. 1926 4 17 PROVIDENCE RHODE ISLAND On April 17th. a minor aurora was noted at about 9:00 p.m. It consisted of a small streamer near the zenith. It was of short duration. 1926 4 19 PROVIDENCE RHODE ISLAND On the night of April 19th. an aurora was noted. It was a rather mild auroral display, noted at 9:30 p.m. The principal feature ws a long streamer, extending from about 15o above the northwest horizon nearly to the zenith, and resembling a shaft of light from a giant searchlight. No colors, other than white, were noted. Small patches of light were visible in other portions of the northern sky, mostly in the northwest. 1926 5 3 EASTPORT MAINE Auroral display from 8.15 p.m. to 10.00 p.m. Arch of about 30 degrees altitude, azimuth about 150 degrees to 220 degrees and few streamers, without movement, shot up to altitude of about 45 degrees. Color of display dull white. 1926 5 4 HARTFORD CONNECTICUT An aurora occurred on the 4th. Its estimated azimuth was from 190o to 140o and some of the streamers reached an altitude of about 45o. The phenomenon was not particularly vivid. 1926 5 4 NEW HAVEN CONNECTICUT [monthly summary only] 1926 5 4 EASTPORT MAINE Very brilliant auroral display observed from 8.50 p.m. and continuing at midnight. First observed as few luminous streamers extending from about 30 degrees above northern horizon to Zenith. Shortly after 9.15 p.m. pulsing parallel waves of light appeared in all quarters of sky, except the South and Southwest, from points 30 to 40 degrees above the horizon and converged near the Zenith. They flashed with exceptional rapidity in a very snaky-like manner and the spaces between the parallel waves appeared very dark. The display continued active almost without a lull until after midnight. 1926 5 4 PORTLAND MAINE [monthly summary only] 1926 5 5 EASTPORT MAINE Auroral display continued from Midnight a.m. and was observable at 1.00 a.m. diminished in activity. Auroral display observed from 10.00 p.m. to 11.30 p.m. Display in form of parallel, pulsing waves of light that flashed continuously with very rapid movement. The waves appeared to emanate from about 40 degrees above horizon in the North and Northwest and extended beyond the Zenith. The sky was very dark in North and Northwest beneath the light waves and dark spaces between the waves. 1926 6 7 PORTLAND MAINE [monthly summary only] 1926 6 8 EASTPORT MAINE Auroral display observed this evening from 10.20 p.m. to 11.15 p.m. Display first observed in form of arch, altitude, 20 degrees; azimuth, about 150 to 210 degrees. At about 10.40 p.m. streamers began to shoot up toward Zenith reaching altitude of 70 degrees and moving rapidly from West to East and vice versa. Streamers were active at 11.15 p.m. when last observed. Color of display white mostly, but with greenish tinge at times. 1926 6 8 PORTLAND MAINE [monthly summary only] 1926 6 10 BOSTON MASSACHUSETTS Aurora. - On the evening of the 10th, from 8.30 to 10.30, a display of auroral light was reported. Parallel streamers, without color, extending from the northeastern horizon to the zenith. 1926 8 10 PORTLAND MAINE [monthly summary only] 1926 9 10 EASTPORT MAINE Auroral display observed this evening from 8.00 p.m. to 8.30 p.m. First noted as dull white arch, azimuth about 160 to 200 degrees, altitude about 10 degrees; streamer action noted from 8.05 p.m. to 8.20 p.m. when display took on more of a greenish hue. Streamers moved from West to East and vice versa, reaching altitude of 15 degrees; movement not very rapid. 1926 9 14 EASTPORT MAINE Auroral display noted this evening. First observed at 9.15 p.m. as greenish arch, altitude about 15 degrees, azimuth about 170 to 210 degrees; sky below arch very dark. About 9.35 p.m. streamers began to shoot up toward zenith, with altitude of highest, 45 degrees. Streamers pulsated slightly and moved quite rapidly from West to East and vice versa. Display had greenish cast only. Last observed at 9.50 p.m. 1926 9 15 EASTPORT MAINE Auroral display observed this evening. First noted at 8.50 p.m., as dull white patch in Northwest. At 9.15 p.m. clouds had dissipated so that display was more discernible and in eastern sky rapidly pulsating waves of light were observed extending from horizon to zenith and radiating therefrom a short distance westerly. The waves moved rapidly in parallel flashes, with spaces between appearing very dark. At 9.25 p.m. Merry Dancers were noted in North, with longest streamers reaching altitude about 45 degrees. Azimuth of display from 160 to 340 degrees. Last observed at 9.45 p.m. when activity had not abated. 1926 9 26 BOSTON MASSACHUSETTS Aurora. - Aurora noted at 10.00 p.m. It had little color and consisted mostly of a narrow band of light extending from the northern horizon to the zenith. 1926 10 14 HARTFORD CONNECTICUT An aurora was observed on the 14th and 15th. On the 14th the phenomenon could not be observed satisfactorily on account of clouds. 1926 10 14 NEW HAVEN CONNECTICUT [monthly summary only] 1926 10 14 EASTPORT MAINE Auroral display of unusual brilliancy observed this evening. First observed as arch in North at 5.50 p.m. At 7.10 p.m. a number of parallel beams of light were noted extending from N.NW to E.SE, no movement visible. At 8.40 p.m. display began to show activity. Near the Zenith it appeared like a shell burst and following the "burst" rays began to radiate in all directions therefrom, with rapid undulating movement and continually changing green and purple shades; in the SE display was in form of brilliant curtain, light green in color, except in center where it glowed a deep red for about 5 minutes. In NW between 8.40 and 9.00 p.m. there was also a curtain formation, light green, with red center, remaining for about 5 minutes, but gradually fading. Near Zenith display very active, with rapidly pulsating beams radiating in all directions. The only portion of the sky not touched by the display, low on the horizon from West to Southeast. Display still active at midnight. Most colorful witnessed in years here. Caused considerable trouble to telegraph communication and interfered with radio reception. 1926 10 14 PORTLAND MAINE [monthly summary only] 1926 10 14 BOSTON MASSACHUSETTS On the evening of the 14th, from 10.30 to 11.00, a moderate display of the aurora was noted. 1926 10 14 NANTUCKET MASSACHUSETTS A well defined Aurora reported by surf patrol from 8:30 p.m. to 5:00 a.m. th 15th. 1926 10 14 CONCORD NEW HAMPSHIRE marked display of Aurora Borealis on the 14" and 15" 1926 10 14 PROVIDENCE RHODE ISLAND On October 14th an aurora was observed during the evening by many people of Providence and vicinity. It was visible from shortly after sunset until nearly midnight, and was at times quite brilliant. Early in the display, considerable color was reported, varying from dark red to pale yellow. Later in the evening, between 10:00 and 11:00, the display consisted mostly of whitish streamers, extending from low in the north well up to and often beyond the zenith. The disturbance seriously affected telegraph wires. 1926 10 14 BURLINGTON VERMONT Aurora observed from 9 to 11.30 p. Illumination extended entirely around and to the zenith, assuming the appearance of a canopy or umbrella. No particular variations in color noticed, all the light being yellowish, throughout. Vertical pulsating flashes or beams extended irregularly from the horizon to zenith, uniting at the zenith in widespread luminous patches varying in outline and intensity. 1926 10 15 HARTFORD CONNECTICUT The display on the 15th was rather vivid, extending in azimuth from about 140o to 220o. It first appeared as a narrow arch of light, later streamers appeared, some of which reached nearly to the zenith. 1926 10 15 NEW HAVEN CONNECTICUT [monthly summary only] 1926 10 15 EASTPORT MAINE Auroral display continued from Midnight of the 14th and last noted at 2.00 a.m. Auroral display noted this evening. At 7.55 p.m. first observed, with rapidly flashing parallel waves of light noted in nearly all quarters of the sky reaching to Zenith at times. At 8.35 p.m. there were only a few slender beams of light in the SE and these were very steady. At 9.20 p.m. display became more active with rapidly flashing parallel waves of light moving across the top of the sky. In the South a curtain was observed hanging about half way from the Zenith to the horizon. In the North "Merry Dancers" were very active. Only colors noted, white and light green. Display not nearly so brilliant as preceding night. Had entirely disappeared at 10.00 p.m. Interfered with telegraph communication and radio reception. 1926 10 15 PORTLAND MAINE [monthly summary only] 1926 10 15 BOSTON MASSACHUSETTS On the 15th, from 6.00 p.m. to 11.30 p.m. there was an aurora of great brilliancy and extent. Az. 100o to 250o and altitude of streamers was about 90o at times. 1926 10 15 CONCORD NEW HAMPSHIRE [see entry for 10/14] 1926 10 15 BLOCK ISLAND RHODE ISLAND A bright auroral display was observed from 7:30 p.m. to 11:00 p.m. It was an arch of about 80o in width and extended to an altitude of about 20o with streamers extending up to about 40o with colors of white or pale green tinged with in spots with pink. 1926 10 15 PROVIDENCE RHODE ISLAND An aurora was observed during the evening of October 15th, more brilliant in some respects than that of the 14th, and affecting telegraph lines more seriously. The display was visible during almost the entire evening, in spite of the moonlight, and during the greater part of the time the lights had a pronounced greenish tinge, with some yellow and occasionally pink. The display consisted of pillars and patches of light in the north and flickering streamers, extending often beyond the zenith. About 10:00 p.m. a long elliptical arch was noted low in the north. 1926 10 15 BURLINGTON VERMONT Aurora again observed from 7 to 10.30 p. Simple arc in the north, with occasional vertical beams from different parts of the arc, none observed reaching the zenith, and none observed in other parts of the sky as on the preceding evening. 1926 10 19 BOSTON MASSACHUSETTS On the evening of the 19th there was another display which consisted mainly of patches of color that varied in intensity and moved back and forth across the sky. 1926 11 28 EASTPORT MAINE Auroral arch of about 15 degrees altitude, azimuth about 170 to 200 degrees, observed from 7.15 p.m. to 9.30 p.m. No streamers or movement observed; color, dull white. 1926 12 8 EASTPORT MAINE Auroral glow observed from 5.15 p.m. to 6.00 p.m. 1927 1 7 BLOCK ISLAND RHODE ISLAND An auroral display was observed from 7:30 p.m. to 9:40 p.m. The altitude of the arch was about 20o and the azimuth extended from 130o to 230o. The display was brightest from 8:30 p.m. to 9:15 p.m. During that time there were streamers of pale yellow, ascending from a few degrees below the arc to an altitude of about 45o. 1927 2 28 EASTPORT MAINE Auroral display observed this evening. First observed at 7.20 p.m. as dull white arch, with azimuth about 130 to 200 degrees, and altitude at highest point, 25 degrees. At 7.30 p.m. several narrow shafts of light shot up toward Zenith reaching altitude of 60 degrees. These "danced" for a few minutes, after which display died to dull white arch which gradually faded till barely discernible. Display became more active after 10.00 p.m. and at 11.30 p.m. "Merry Dancers" were noted in most sections of Northern sky. Last observed at 11.30 p.m. when very active. In first of evening about 7.30 p.m. low arch of brilliant green color noted under white arch, just above horizon. 1927 2 28 BLOCK ISLAND RHODE ISLAND A faint aurora was observed from 7:15 p.m. to 8:30 p.m. it was not a marked display, being only a white arch with occasional pale green streamers. 1927 2 28 BURLINGTON VERMONT Aurora observed from 7 to 7:30 p.m. Simple arc in the north, with an occasional vertical flash. 1927 3 8 PORTLAND MAINE [monthly summary only] 1927 3 9 HARTFORD CONNECTICUT An aurora was reported on the 9th but not observed at this station. 1927 3 9 PORTLAND MAINE [monthly summary only] 1927 3 9 NANTUCKET MASSACHUSETTS Coast Guard Base #3 reports a well defined Aurora from 11:00 p.m. to 11:15 p.m. 1927 3 27 EASTPORT MAINE Very brilliant auroral display observed this evening. First observed at 7.40 p.m. as vivid white arch; altitude about 15 degrees; azimuth about 150 to 200 degrees. Display became active at 8.30 p.m. when streamers began to shoot up toward the zenith nearly reaching same. Streamers "danced" slightly. About 9.45 p.m. display active in all quarters of the Northern sky with rapidly moving pulsing waves of light darting across the sky near the Zenith. When last observed at 10.45 p.m. it had faded greatly and was not active. Display had yellowish cast. 1927 3 27 BURLINGTON VERMONT Aurora observed at 9.45 p.m., still continuing at 10 o'clock. It was in the form of the usual arc across the north, with occasional vertical streamers. 1927 4 11 EASTPORT MAINE Auroral display observed this evening. First noted at 10.30 p.m. Luminous curtain or patch of light about 10 degrees in altitude in North with few streamers radiating therefrom. Arch noted low on horizon below curtain. Last observed at 10.45 p.m. when appeared to be fading. Color of display, light green. 1927 4 24 EASTPORT MAINE Auroral display observed this evening. First observed at 7.30 p.m. as dull white arch, azimuth about 150 to 200 degrees, altitude about 15 degrees. At 8.15 p.m. display became active and numerous slender streamers shot up toward the Zenith; longest streamers reached altitude of 60 degrees. They had a slight flashing movement from West to East and vice versa. Display at times had brilliant light greenish cast and extended to most of the sky from NW to NE. Faded from 9.00 p.m. on and at 10.00 p.m. dull white arch barely visible. 1927 5 3 EASTPORT MAINE Auroral display observed this evening. First noted at 8.10 p.m. as dull white arch; azimuth about 150 to 220 degrees; altitude about 20 degrees. Considerable streamer action commenced 11.00 p.m. and continued at midnight. Slender shafts of light shot up from northern horizon nearly to zenith. They had rapid flashing movement. Color, light green. 1927 5 4 EASTPORT MAINE Auroral display continued from midnight a.m. and when last observed at 12.30 a.m. quite active with numerous slender shafts of light in North. 1927 5 20 EASTPORT MAINE Auroral display this evening. First observed at 9.00 p.m. Several slender beams of light extended from horizon to altitude of 60 degrees as maximum in Northern part of sky. They had no movement and did not "dance" or pulse. They appeared and disappeared until 9.45 p.m. when they disappeared finally. Color of display, light green. 1927 5 28 HARTFORD CONNECTICUT An aurora occurred during the evening of the 28th, continuing into the early morning of the 29th. The phenomenon consisted of a pearly glow extending in altitude about 15o above the northern horizon and in azimuth from about 330o to 20o. No streamers were noted. 1927 8 2 PORTLAND MAINE [monthly summary only] 1927 8 10 EASTPORT MAINE Aurora observed from 7.00 p.m. to 8.30 p.m. A faint light green blanket extending from about 15 degrees above horizon to the Zenith. No movement observed. 1927 8 17 PORTLAND MAINE [monthly summary only] 1927 8 20 EASTPORT MAINE Unusually brilliant auroral display observed this evening beginning at 7.50 p.m. and continuing all night. Most active display ever witnessed by observer. When first noted at 7.50 p.m. display was observed as faint greenish glow through clouds in Northern sky. As clouds dissipated the aurora developed till at times the entire sky was streaked with gigantic rays extending from all directions to the Zenith. They flashed rapidly and appeared and disappeared instantly, all having a rapid pulsing movement. At times at the Zenith the display took on the appearance of a shell burst, with the rays streaming in all directions from the white patch resembling the shell burst. The color was mostly white, but sometimes green and a reddish cast was noted occasionally. 1927 8 20 BURLINGTON VERMONT Aurora observed between 7.30 and 8 p. Oscillating bands of light extended from the northeastern horizon through the zenith and down to within 25o of the southern horizon. The light had a pinkish tint, and the phenomenon lasted but a short time. 1927 8 21 EASTPORT MAINE Auroral display continued with considerable activity from Midnight a.m. on and was still active when last observed at 2.00 a.m. 1927 9 8 EASTPORT MAINE Auroral display observed from 7.30 p.m. to 8.45 p.m. First observed at 7.30 p.m. as luminous green band extending across sky, azimuth about 150 degrees to 220 degrees; altitude at highest point of arch, about 30 degrees. Some streamer action between 7.45 p.m. and 8.15 p.m. Gradually faded after 8.15 p.m. 1927 9 8 BURLINGTON VERMONT Aurora observed from 7.45 to 8.30 p.m. A narrow band of light appeared in the northeastern sky, and later a few vertical streamers were observed. 1927 9 26 EASTPORT MAINE Auroral display observed from 7.00 p.m. to 8.00 p.m. Few slender streamers extended from horizon to altitude of 45 degrees in Northern Part of sky. They appeared and disappeared. Color, light green. 1927 10 5 EASTPORT MAINE Auroral arch, altitude about 25 degrees, azimuth about 165 to 200 degrees, observed from 9.15 p.m. to 11.00 p.m. Display appeared inactive; no streamers noted; color - light green. 1927 10 12 EASTPORT MAINE Auroral display observed from 5.45 p.m. to 6.30 p.m. When first observed at 5.45 p.m. streamers were shooting up towards the Zenith from a small patch in the Northern part of the sky and this soon extended to most of the Northern sky, azimuth about 150 degrees to 220 degrees, with some streamers reaching almost to Zenith. Streamers "danced" with great rapidity. Color - light green. Gradually subsided after 6.15 p.m. and was not observed after 6.30 p.m. 1927 10 22 NORTH SCITUATE RHODE ISLAND [see entry for Providence, 10/22] 1927 10 22 PROVIDENCE RHODE ISLAND An aurora was observed at 11:30 p.m. October 22, about due north. There was a low arch and the streamers did not reach very high, not more than 45o. Only whitish lights were observed. Clouds were forming, making detailed and close observation impracticable. The aurora was observed at the Seagrave observatory in North Scituate, where it was seen earlier and until well after midnight. 1927 10 23 HARTFORD CONNECTICUT an aurora was observed during the very early morning of the 23rd. It extended in azimuth from about 330o to about 30o. Streamers appeared at times attaining an altitude of about 45o. 1927 10 23 PROVIDENCE RHODE ISLAND On the evening of October 23rd a rather weak auroral display was noted between 8:30 and 9:00. No arch was observed, but there were pulsations of white light from the northern sky toward the zenith. 1927 10 29 EASTPORT MAINE Auroral display observed from 8.30 p.m. to 11.15 p.m. First observed as luminous white patch in North at 8.30 p.m. At 9.00 p.m. it increased in extent and energy numerous slender streamers shotting up towards the zenith and "dancing"; highest of streamers about 60 degrees. The display continued active till shortly after 11.00 p.m. when it faded and at 11.15 p.m. could not be seen. Colors - white and light green. 1927 11 29 EASTPORT MAINE Auroral arch noted from 9.00 p.m. to 10.15 p.m. Arch extended from 160 degrees to 220 degrees; altitude, 20 degrees. From 9.30 p.m. to 10.00 p.m. few slender streamers noted shooting up towards the Zenith reaching maximum altitude of 45 degrees. Color of display - light green. 1927 11 29 BURLINGTON VERMONT A simple auroral arc was observed in the north at 10.30 p.m. 1927 11 30 EASTPORT MAINE Auroral glow observed in North between 9.45 p.m. and 10.30 p.m. 1928 7 7 HARTFORD CONNECTICUT An unusual display of Aurora Borealis was observed from 9:00 p.m. of the 7th to during night a.m. of the 8th. The phenomenon reached its maximum brilliance between 10:30 p.m. and 11:00 p.m. During that time, colored streamers, red and green, appeared and the shafts of light covered nearly the entire sky, converging to a point about 15o south of the zenith. Between 10:40 p.m. and 10:50 p.m. a red glow, resembling the reflection of a distant conflagration, suffused the western sky. After 11:00 p.m. the phenomenon gradually faded. Reports indicate that while induced currents seriously hampered telegraphic communication, radio reception was unaffected. 1928 7 7 NEW HAVEN CONNECTICUT [monthly summary only] 1928 7 7 EASTPORT MAINE Most colorful auroral display ever witnessed by observer occurred this evening. Aurora first observed about 8.30 p.m. as arch of greenish tint, azimuth about 130 to 200 degrees; altitude about 20 degrees at crest. At 9.00 p.m. pronounced curtain of reddish purple noted in East and another with colors not quite so vivid in Northwest. Display spread rapidly to all parts of the sky, except low on horizon in the Southwest. Streamers reached from horizon to Zenith where appeared like a shell burst in top of sky with streamers and banners of green and reddish purple radiating in all directions. Color gradually faded after 9.30 p.m. with streamers becoming more active, reaching height of activity between 10.00 and 10.30 p.m. when they flashed and pulsed rapidly in Northern sky and beams flashed rapidly across the top of the sky like giant searchlight rays. Last observed at 11.00 p.m. when it was confined to the Northern sky and fading fast. 1928 7 7 PORTLAND MAINE [monthly summary only] 1928 7 7 BOSTON MASSACHUSETTS [monthly summary only] 1928 7 7 WORCESTER MASSACHUSETTS I first saw the display at 9 p.m., when it covered virtually the entire sky down to about 10 above the SSE. horizon. This part of the display, from 9 to 9:15, was one of considerable brilliance and was marked not only by its extensiveness and the auroral corona but also by large patches of intense red or green. The exceedingly clear air and sky favored a fine view of the display. Immediately after this bright phase, from 9:15 to 9:30, there were four distinct arches, two overhead and two in the north, while two in the southern sky had faded but could still be distinguished. At 10:15 the display was still extensive but not so bright. At 10:40 the display was entering on another stage of great brightness, color and extent. Colors appeared at 10:45, rapidly becoming bright. The greens carried the most light, while the reds, varying from crimson to fire glow, were rich in tone. The display again extended far into the south down to within about 10 of the horizon, the southernmost arch being very bright. The corona formed brilliantly overhead and to the SSE. of the zenith. The total light was sufficient for reading. At 10:52 the display began to flicker. There was a considerable motion in the corona. From 10:55 to 11 a steady, progressive motion of auroral lights across the zenith was noted and roughly measured as to angular velocity. The mean of four observations was 0.1 radian in 10 seconds. At a height of 100 km. this would mean a velocity of 1 km. per second. I assume that this motion may be taken to represent the wind at that great height. - Charles F. Brooks, Clark University. [56 MWR 280, 1928] 1928 7 7 CONCORD NEW HAMPSHIRE [monthly summary only] 1928 7 7 NEWPORT NEW HAMPSHIRE While stopping at Newport, N.H., the aurora of the evening of July 7, 1928, was called to my attention at 10 o'clock. At that time the entire sky looked as if covered with an irregular layer of thin, luminous clouds, changing and pulsating. Faint rose-colored tints were observed, especially in the south, but the general color as I saw it was whitish. There was not auroral arch, and no streamers were seen to rise from any point above the horizon. Overhead I noted a slight convergence of luminous waves about 2o south of the zenith. At 11 o'clock, when last observed, the phenomenon had faded to a great extent. - Willis E. Hurd. [56 MWR 281, 1928] 1928 7 7 BLOCK ISLAND RHODE ISLAND [monthly summary only] 1928 7 7 PROVIDENCE RHODE ISLAND An aurora, which prevailed in the heavens from 8:10 p.m. on July 7th to daybreak on the 8th, was noted. It covered the whole sky and formed a crown just southeast of the zenith about 8:30 p.m., which lasted for two or three hours. It was a whitish yellow to red about 10:00 p.m., which changed to a greenish hue about 11:00 p.m. From midnight to daybreak (July 8) the color was of a yellow and white tinge. Very attractive streamers shot out from the northwest, north and northeast. No arch was observed. 1928 7 7 BURLINGTON VERMONT Aurora reported as quite brilliant shortly before midnight, and as interfering with telegraph operation. Continued after midnight to the 8th. No other details available. 1928 7 8 EASTPORT MAINE Auroral display observed this evening. Several slender streamers noted in North between 8.45 p.m. and 9.00 p.m. They had moderately rapid movement; color - light green. 1928 7 8 BOSTON MASSACHUSETTS [monthly summary only] 1928 7 8 BLOCK ISLAND RHODE ISLAND [monthly summary only] 1928 9 1 EASTPORT MAINE Auroral display reported during evening. Streamers of greenish hue described as very active. 1928 9 7 EASTPORT MAINE Auroral display observed this evening. First noted at 8.15 p.m.; azimuth about 150 degrees to 220 degrees. Several patches of greenish shade from which streamers shot up toward the Zenith to maximum altitude of 50 degrees; streamers "danced" from West to East and vice versa. When last seen at 10.10 p.m. display was still active. 1928 9 8 EASTPORT MAINE Very brilliant auroral display this evening. First observed at 7.00 p.m. in form of Arch, altitude, 15 degrees; azimuth, 150 degrees to 210 degrees. Display became active about 7.30 p.m. extending over entire Northern portion of sky, with beams of light darting across the top of the sky and streamers "dancing" from patches of greenish hue. Sky below display near northern horizon colored reddish purple. Display active at 11.30 p.m. when last observed. 1928 9 8 PORTLAND MAINE [monthly summary only] 1928 9 8 BOSTON MASSACHUSETTS [monthly summary only] 1928 9 8 NANTUCKET MASSACHUSETTS Aurora very faint from seven p.m. to seven thirty p.m. 1928 9 8 BLOCK ISLAND RHODE ISLAND [monthly summary only] 1928 9 8 PROVIDENCE RHODE ISLAND An aurora was noted at 7:45 p.m. on the 8th of September. It consisted of a whitish yellow glow in the northern sky, in the shape of an arch. No streamers or other effects were seen. 1928 9 8 BURLINGTON VERMONT Moderate auroral display observed most of the evening, 7.30 to 11.30; display confined to a simple arc, with an occasional streamer. 1928 9 9 EASTPORT MAINE Auroral arch of about 15 degrees altitude and azimuth, 170 degress to 210 degrees, observed from 7.30 p.m. to 11.15 p.m. No streamers observed. 1928 9 24 EASTPORT MAINE Auroral arch of about 15 degrees altitude observed from 8.15 p.m. to 9.15 p.m. Azimuth about 160 to 200 degrees. Few streamers noted, but with very little movement. 1928 10 6 EASTPORT MAINE Auroral display observed this evening from 8.15 p.m. to 10.15 p.m. First observed as white arch of about 15 degrees altitude, azimuth about 180 to 220 degrees. At 9.00 p.m. streamers of light green observed shooting up toward zenith, reaching maximum altitude of 50 degrees. They did not have any noticeable movement. At 10.00 p.m. arch only visible and faded completely about 10.15 p.m. 1928 10 6 BOSTON MASSACHUSETTS [monthly summary only] 1928 10 6 BLOCK ISLAND RHODE ISLAND [monthly summary only] 1928 10 21 EASTPORT MAINE Auroral arch of about 20 degrees altitude, azimuth about 150 degrees to 210 degrees, observed from 7.15 p.m. to 9.00 p.m. No streamers noted. 1928 10 24 PROVIDENCE RHODE ISLAND A faint auroral display was observed on the 24th from 9:50 p.m. to 10:40 p.m. It was of a pale green color; no streamers prevailed. It extended about 50o on the northwestern horizon; altitude about 15o or less. 1928 11 11 BURLINGTON VERMONT The only phenomena not fully covered by the tabulated statement was an aurora on the 11th. This was observed at 10 p.m. as a band of light across the northern sky extending upward about 15o. Intermittent vertical streamers were noted, with a searchlight effect. 1928 11 12 EASTPORT MAINE Auroral display observed from 10.00 p.m. to 11.00 p.m. First observed as dull white arch of about 20 degrees altitude, azimuth about 130 to 210 degrees. At 10.30 p.m. a number of streamers of light greenish hue observed shooting up towards the Zenith in Northwest. They reached a maximum altitude of 75 degrees. Display at 11.00 p.m. was in arch form ony and fading. 1928 12 5 EASTPORT MAINE Auroral display this evening fom 10.00 p.m. and continuing at 11.00 p.m. Streamers of whitish hue shot up nearly to Zenith; azimuth about 110 to 220 degrees. They had no lateral movement but faded and reappeared at intervals. 1928 12 5 BOSTON MASSACHUSETTS [monthly summary only] 1928 12 12 EASTPORT MAINE Auroral arch of about 10 degrees altitude; azimuth about 175 to 225 degrees, observed from 6.30 p.m. to 10.30 p.m. 1929 1 8 EASTPORT MAINE Auroral display this evening from 5.45 p.m. to 10.00 p.m. First observed in form of dull white arch; azimuth, about 150 degrees to 210 degrees; altitude, about 20 degrees. At 7.00 p.m. display became active with patches of greenish hue appearing in Northern sky from which streamers appeared, faded and reappeared; some streamers reached altitude of 75 degrees. Display ceased activity about 9.30 p.m. and at 10.00 p.m. only faint arch could be seen. 1929 1 8 BLOCK ISLAND RHODE ISLAND [monthly summary only] 1929 2 27 EASTPORT MAINE Auroral display observed from 8.30 p.m. to 11.00 p.m. First observed when sky cleared at 8.30 p.m. when streamers were noted radiating from all parts of Northern horizon and converging at Zenith. Patches of light noted in Northwest and Northeast fading and reappearing, while streamers pulsed and appeared in parralel formation with dark spaces between. Display at height between 8.40 and 10.00 p.m. gradually fading thereafter. Colors - white and light green. 1929 2 27 PORTLAND MAINE [monthly summary only] 1929 2 27 BOSTON MASSACHUSETTS [monthly summary only] 1929 7 12 PORTLAND MAINE [monthly summary only] 1929 7 13 PORTLAND MAINE [monthly summary only] 1929 7 14 PORTLAND MAINE [monthly summary only] 1929 7 14 BURLINGTON VERMONT An aurora was observed at 9.45 p.m., showing simple arc with its highest point about 20o above the northern horizon. 1929 7 15 PORTLAND MAINE [monthly summary only] 1929 7 30 PORTLAND MAINE [monthly summary only] 1929 7 31 PORTLAND MAINE [monthly summary only] 1929 8 1 PORTLAND MAINE [monthly summary only] 1929 8 2 PORTLAND MAINE [monthly summary only] 1929 9 20 PORTLAND MAINE [monthly summary only] 1929 9 21 EASTPORT MAINE Auroral arch of about 15 degrees altitude observed from 7.20 p.m. to 11.00 p.m.; azimuth about 160 degrees to 200 degrees. Some slight streamer action reported at times. Color - light green. 1929 9 21 PORTLAND MAINE [monthly summary only] 1929 9 22 PORTLAND MAINE [monthly summary only] 1929 10 18 PORTLAND MAINE [monthly summary only] 1929 10 18 BOSTON MASSACHUSETTS [monthly summary only] 1929 10 19 PORTLAND MAINE [monthly summary only] 1929 10 28 EASTPORT MAINE Auroral display observed this evening. Arch of about 15 degrees altitude; azimuth, about 180 degrees to 225 degrees, noted from 7.30 p.m. to 8.15 p.m. Some slight streamer action observer; streamers reached maximum altitude of about 40 degrees; color - light green. 1929 10 28 PORTLAND MAINE [monthly summary only] 1929 10 28 BURLINGTON VERMONT Aurora observed at 8 p.m. A band of light crossed the northern sky at an elevation of about 15o. From this numerous vertical prominences extended upward some 5o farther. Little movement was observed. 1929 10 29 PORTLAND MAINE [monthly summary only] 1929 11 2 EASTPORT MAINE Very brilliant auroral display this evening. First observed at 10.00 p.m. when display extended from 140 degrees to 220 degrees, with large patch of light green covering most of lower North section of sky and rapidly pulsing streamers shooting to and beyond the Zenith from the Northeast section of the display. Some red patches reported, but not seen by observer. Display active at midnight. 1929 11 3 EASTPORT MAINE Auroral display continued from Midnight; reported active at 12.30 a.m., when last observer. 1929 12 11 PORTLAND MAINE [monthly summary only] 1929 12 12 PORTLAND MAINE [monthly summary only] Silverman: New England Auroras, 1920 Page 15 Silverman: New England Auroras, 1921 Page Silverman: New England Auroras, 1922-1925 Page Silverman: New England Auroras, 1926 Page Silverman: New England Auroras, 1927 Page Silverman: New England Auroras, 1929-1930 Page