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Observers: Alessandro Dimai, Davide Ghirardo
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: March 7, 1997
Two images of the comet Hale Bopp taken on with a Takahashi 102 mm f/6 (first image), exp. 6' (Kodak Express Gold 400 II hyper.) from Col Druscie Observatory. Second image taken with a 35 mm lens f/2.8. The comet was of magnitude -0.3 with a naked eye visible ion tail of ~12 deg. and a diffuse dust tail of ~6 deg.
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Observer: Paul Benda
Location: Cabo San Lucas, Mexico
Date: March 7, 1997
50mm/1.8 20 sec, Fujicolor 1600.
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Observer: Sal Viviano
Location: Detroit, Michigan
Date: March 7, 1997
Both images are tripod mounted and are not guided. Film = Fuji 800+. First image is a 35mm f/2.8 lens, exposure = 15 sec. Second image is a 200mm f/2.8 lens, exposure = 15 sec.
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Observer: Chris Protopapas
Location: New York, New York
Date: March 7, 1997 UT
Pentax K2 camera, 35mm lens@F2.0 on Fujicolor 800 SuperG.
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Observer: Daniel Fischer
Location: Chita, Siberia
Date: March 7, 1997
These images (50 mm f/1.8 on Fujichrome 400) show a public Hale-Bopp observing session that our eclipse expedition arranged for our hosts in the transbaikalian town of Chita (between Irkutsk and Vladivostok).
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Observer: Carl McDaniel
Location: Williamsport, Pennsylvania
Date: March 7, 1997
Minolta 35-200 zoom lens w/ 2x converter. Tripod mounted, Kodak 200, approx. 20 seconds.
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Observer: Varol Keskin
Location: Turkish National Observatory, Turkey
Date: March 7, 1997 01:30 UT
Exposure time : 25 min, Film : Kodak 400 ASA, Camera : Canon 50 mm zoom. Camera was mounted on the 40 cm telescope of Observatory and comet tracked during the exposure.
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Observers: Tamer Atac, Hasmet Bolge, Oryal Barlas
Location: Kandilli Observatory, Istanbul, Turkey
Date: March 7, 1997 02:45-03:10 UT
First image: This image was taken with 1600 fuji color film, exposure time was 30 seconds. The objective was Leitz Summicron 1:2,f=35mm.
Second image: This image was taken with 1600 Fuji color film, exposure time was 2 minutes. The camera was mounted on a refractor with an objective at f/9, 147cm focal length.
Third image: This image was taken with 800 Super G plus Fuji color film, exposure time was 2 minutes. The camera was mounted on a refractor with an objective at f/9, 147 cm focal length.
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Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: March 7, 1997 03:52 UT
False-color image of comet Hale-Bopp ion tail, obtained in the light of singly-ionized water ions. It was taken with 2.8/180mm lens, CCD and narrow-band H2O+ filter, centered at 620nm (FWHM=10nm). Exposure time was 5 minutes. The field of view is 3.8ox2.5o.
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Observer: Hans Zekl
Location: Germany
Date: March 7, 1997 04:20 UT
The small picture with details within the come was made with a refractor with focal lenght 910 mm and aperture 80 mm and magnification 56x.
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Observer: Fred Wehner
Location: Kaiserslautern, Germany
Date: March 7, 1997 04:30 UT
This image is made on Scotch Chrome 400 with a Pentax 1:1.4 50mm and 25 sec exposure time.
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Observer: Jose-Luis Ortiz and colaborators
Location: Observatorio de Sierra Nevada, Granada, Spain
Date: March 7, 1997 05:20 UT
Image taken through a 300-mm lens at f/5.4 using a 1024 x 1024 CCD detector with no filter. The field of view is 2.4 x 2.4 degrees. The inner part of the coma was saturated in order to observe the tail. North is up, West is to the right.
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Observer: Tim Forrest
Location: Cedar Island, North Carolina
Date: March 7, 1997 08:08-08:57 UT
1. 50mm f 2.0 30 seconds FUJI Super G 800.
2. 50mm f 2.0 30 seconds KODAK Royal Gold 1000.
3. 50mm f 2.0 30 seconds KODAK Royal Gold 1000.
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Observer: Frank Loch
Location: Deep Space 99 Observatory, Center Valley, Pennsylvania
Date: March 7, 1997 08:37 UT
All images taken with LX200 12" f/10 scope, f/3.3 reducer,st7 at 9 microns.
1. 300 seconds exposure. Processed in Mira AL to enhance coma and color.
2. 60 seconds exposure. Processed in Mira Al for coma enhancement and color.
3. Tri Color exposure as: 60 seconds #25A red filter, 90 seconds #58 green filter, 150 seconds #38A blue filter.
Color combined in SkyPro.
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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: March 7, 1997 09:21:18, 10:01:38 UT
The first image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 15 sec exposure. The field of view is 23.1 X 17.4 arc min. The second image was taken with a ST-6 CCD camera through a 16 inch, F10 reflector. 5 sec exposure. The field of view is 7.3 X 5.5 .
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Observer: Jerry Lodriguss
Location: Botsto, New Jersey
Date: March 7, 1997 9:24-9:49 UT
First image: Composite of two 5 minute exposures on unhypered Fujicolor Super G 800 Plus through a Nikon 400 mm f/2.8 lens from a dark sky site in Batsto, NJ. The original images were scanned and digitized and combined in Photoshop.
Second image: Composite of two 5 minute exposures taken at 09:24 and 09:31 UT on 7 March 1997 on unhypered Kodak Pro 400 PPF through a Nikon 105 mm f/1.8 lens working at f/2.8.
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Observers: David Fideler, Andy Harwood
Location: Ionia State Recreation Area, Saranac, Michigan
Date: March 7, 1997 9:30-10:30 UT
FILM: Kodak Ektachrome P1600; CAMERA: Pentax K1000 on stationary tripod; LENS: 50mm at F/2.82; EXPOSURE: About two minutes. Photos processed for brightness and contrast in Photoshop.
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Observer: Glenn French
Location: Arlington, Massachusetts
Date: March 7, 1997 09:45 UT
60sec. exposure through a 90mm f5.6piggybacked on a Celestron SCT.
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Observer: Peter Nelson
Location: Haystack Observatory, Millstone Hill, Westford, Massachusetts
Date: March 7, 1997 09:50 UT
Nikkor 35mm f/2 lens, Kodak Royal Gold 1000 film, 1 minute exposure UNGUIDED.
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Observer: Frank Loch
Location: Deep Space 99 Observatory, Center Valley, Pennsylvania
Date: March 7, 1997 09:52 UT
This image was taken with our LX200 f/10 scope with f/3.3 reducer and ST7 CCD. The tri-color image is the composite of three images.
A. 60 seconds with #25A red filter
B. 90 seconds with #58 green filter
C. 150 seconds with #38A blue filter
They were color combined in SkyPro and color balanced in Mira AL.
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Observer: Bill Schwittek
Location: Peachland, North Carolina
Date: March 7, 1997 09:58 UT
Lens: 300mm f4 at f5.6 Film: Fuji Super G+ 400 Exposure: 5 mins Notes: Guided on comet nucleus. Color negative scanned directly to file.
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Observer: David Lynch
Location: Puckett Observatory, Mountain Town, Georgia
Date: March 7, 1997 10:10 UT
First image: exposure 10 minutes on PJM-640 through a 135mm Soligor F2.8@4.0 with a Minus Violet filter. Second image: exposure 10 minutes on PPF-400 through an 85mm Nikon F1.4@2.0 with a UV filter.
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Observer: John Chumack
Location: John Bryan State Park Observatory, Ohio
Date: March 7, 1997 10:10-10:56 UT
First image is through a Pentax 120 format camera with a 80mm F4 lens, mounted on the MVAS Camera Platform. 4 min exposure. The second image is through a Pentax 35mm camera with a 135mm F4 telephoto lens, mounted on my NSF/AAVSO Widefield Camera Platform. Taken on 400 PPF, 20 min exposure. The third image was taken through a 3" F6 refractor. 20 min. exposure on Agfa HDC 400 35mm negative,
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Observer: William Burnett
Location: Wilmington, North Carolina
Date: March 7, 1997 10:15 UT
The comet was captured using a 4" Maksutov SCT mated with a Nikon EM camera loaded with Fuji Super 800G film. The 4" Mak was piggyback-mounted on a 10" Meade LX200 reflector equipped with a computer clock drive. A 12mm illuminated recticle eyepiece in the Meade scope was used to guide on the comet. The exposure time was 10 minutes.
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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: March 7, 1997 10:17:36 UT
First image is a five minute (300 second) exposure of comet Hale-Bopp. A 12 inch Maksutov telescope, working at a focal ratio of f5 was used with an SBIG ST8 CCD camera and a Lumicon Swann Band filter. Second image is a 300 second exposure started at 05:17:36 It has been flat fielded and dark subtracted. Exposure made through a lumicon swann band filter. Third image is a false colour version of the 2nd image.
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Observer: Gary Holmes
Location: Tuscaloosa, Alabama
Date: March 7, 1997 10:30 UT
Image taken with a 125mm Schmidt. This was a 3.5-minute unfiltered exposure on hypered Kodak 2415 film.
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Observer: Douglas Durig
Location: Cordell-Lorenz Observatory, Tennessee
Date: March 7, 1997 10:40 UT
Image taken with a ST-6 CCD camera with a 60 mm, f/5.6 camera lens attached giving a 6x8 degree field of view. I used 10 exposures, each 30 sec long, and the track and accumulate mode.
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Observer: David Hanon
Location: Ringgold, Georgia
Date: March 7, 1997 10:55 UT
First image is a 2 minute exposure with 300mm lens at f/4 using an ST-8 camera. The second image is a mosaic of 2 images taken the same way.
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Observer: Shawn Gehlsen
Location: Cedar Falls, Iowa
Date: March 7, 1997 11:00-11:20 UT
Equipment: 35 mm, Pentax K-1000, Kodak Gold 400 film Exposures: 30 seconds at f/2
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Observers: Bob Townsend, Chuck Vaughn
Location: Placerville, California
Date: March 7, 1997 11:37-12:37 UT
All exposures were 25 minutes. Instrument: Takahashi E-160. Film: Hypered 4x5 Tech Pan developed 12 minutes in D76.
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Observer: Wil Milan
Location: Phoenix, Arizona
Date: March 7, 1997 12:20 UT
Photo was taken with an 8" f/4 Schmidt-Newtonian, unhypered Kodak PPF400 (400 ASA) film, 8-minute exposure.
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Observer: Wally Pacholka
Location: Joshua Tree National Park, California
Date: March 7, 1997 13:00 UT
Kodak Pro 400 film using 135mm lens at f/2 mounted piggyback and hand guided for 10 minutes on top of an old Tasco 2.4 inch refractor. Tracking the moving comet against the fixed foreground caused the nearby rocks to cast a shadow against the sky. The rocks in the foreground were lite up by a small flashlight.
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Observer: Subaev Il'nur
Location: Pushchino Radioastronomical Observatory, Russia
Date: March 7, 1997 17:20 UT
Comet image was made by FED5v, f = 55 mm, INDUSTAR-61L/D. Exposure = 1 m.
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Observer: Takuo Kojima
Location: Chiyoda, Japan
Date: March 7, 1997 19:26 UT
Exp. time; Total 450 sec. North is up and 4.8 deg. x 3.2 deg. field of view, RGB composit image. Taken with a 165mm f/2.8 photo lens + ST-8 CCD.
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Observer: Po-Chieh Hung
Location: Kobuchizawa, Yamanashi, Japan
Date: March 7, 1997 19:40 UT
Lens: Nikkor 85mm f/1.8 (at f/2.8), Film: Konica JX-400 (unhypered), Exposure: 5 minutes, Scanner: Konica PictureMD writer, Image Processing: two image composite, and tone correction.
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Observer: Mitsuya Saeki
Location: Kami-cho, Hyogo-pref., Japan
Date: March 7, 1997 19:45 UT
This image of the comet Hale Bopp taken on March 7 with a 300 mm lens f2.8, exp ose 17'. Film: Fuji-Color 800 SGA(35mm Film), Guiding: Takahashi type-I mount + Vixen motor drive (No tach guiding).
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Observer: Kensaku Kitazawa
Location: Kyoto, Japan
Date: March 7, 1997 20:20 UT
Camera: Nikon EM 50mm F1.4 at F2.0. Film: Fuji G800A (ISO 800). Exposure: 15 seconds.
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Observer: Paul Gitto
Location: Arcturus Observatory, Pine Barrens of Whiting, New Jersey
Date: March 7, 1997 23:41 UT
This is a composite series of 3 sec. exps. of Hale-Bopp in the evening sky. 23:41 UT 3/7/97 10" LX 200 @ F/3.3 dark frame corrected. Pictor 416 CCD.
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Observer(s): Alessandro Dimai, Davide Ghirardo
Location: Col Druscie Observatory, Cortina d'Ampezzo, Italy
Date: March 8, 1997
Three images of the comet Hale Bopp taken on March 08 with a Takahashi 102 mm f/6, exp. 6' (Kodak Express Gold 400 II hyper.), Tele 300 mm f/2.8, exp. 4' and 100 mm lens f/2,8 exp. 3'.
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Observer: Enrico Montanari
Location: Monteromano, Italy
Date: March 8, 1997
1. c8 f:6,3 ektapress 1600 5 min.
2. 50 mm f:2,8 ektapress 1600 3 min
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Observers: Alan Tokunaga, Roland Meier
Location: Infrared Telescope Facility, Mauna Kea Observatory, Hawaii
Date: March 8, 1997
This infrared image of Hale-Bopp (obtained at a wavelength of 3.672 micron) was recorded with the NASA Infrared Telescope Facility (IRTF) at Mauna Kea Observatory. The observations were done during DAYTIME when the comet was invisible to the human eye, but still could not hide from special IR detectors!
This false color image depicts the heat emitted by the dust: the brighter the color the more dust is present. The field of view is extremely small. Each pixel of this image corresponds to roughly 45 miles at the distance of the comet's nucleus, which is a "dirty snow ball" approximately 25 miles in diameter. Because of the Sun's irradiation, the uppermost layers of the nucleus are sublimating (i.e., the ice is evaporating directly from solid to gas), dragging along large amounts of dust (tons per second) that hide the nucleus from our direct view. Ultimately, this dust spreads out and forms the visible (dust) tail of the comet. This image was used to center an infrared spectrograph on the comet.
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Observer: Rich Crockett
Location: San Marcos, California
Date: March 8, 1997
1. 1 minute exposure, 55mm f1.8, K400n
2. 3 minute exposure, 55mm f1.8 K400n.
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Observer: Don Lieu
Location: Henry Coe State Park, California
Date: March 8, 1997
1. Fuji 400, Nikon 50 mm set @ f/2.8, 1 min on tripod.
2. Fuji 400, Nikon 50 mm set @ f/2.8, 30 sec on tripod.
3. Fuji 400, Nikon 80-200 mm zoom set @ 135 mm f/4, 4 min.
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Observer: John Gruson
Location: Baleshare, Scotland
Date: March 8, 1997
Exposure was 90 seconds onto Kodak Ultra Gold 400 using an Olympus OM-10 35mm SLR (tripod mounted) on B-lock.
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Observer: Tim Schroder
Location: Covesea, Morayshire, Scotland, United Kingdom
Date: March 8, 1997 01:00, 01:15 UT
The original photos were taken using a 25 secs exposure with a 50mm f1.7 standard lens and Kodak Ektar 1000 film.
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Observers: Michel Benvenuto, Emmanuel Antuna
Location: Peira Cava, France
Date: March 8, 1997 02:00-04:15 UT
First image: The picture was taken using a 28mm Nikon lens at F/D 5.6, in 4mn on Fuji 800 on a motorized G11 mount.
Second image: The seeing was good, temperature 1=B0 C, 42%= humidity. The picture was taken using a 28mm Nikon lens at F/D 4, in 30 sec on Fuji 800 on a tripod.
Third image: The picture was taken using a 80mm Nikon lens at F/D 5.6, in 4mn on Fuji 800 on a motorized G11 mount.
Fourth image: The picture was taken using a 300mm Nikon lens at F/D 5.6, in 4mn on Fuji 800 on a motorized G11 mount.
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Observer: Pavel Kubicek
Location: Observatory and Planetarium, Teplice, Czech Republic
Date: March 8, 1997 02:24 UT
Image is a mosaic of ten original, processed images , 20 seconds each with 150mm (6") Maksutov - Cassegrain f/15 + Barlow lens 1.3x and Cookbook 245 CCD camera.
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Observer: Wolfgang Rafelt
Location: Sachsen, Germany
Date: March 8, 1997 02:39, 03:17 UT
10 second exposures, Scotch Chrome 400.
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Observer: Martin Cizek
Location: Czech Hill Rip, Czech Republic
Date: March 8, 1997 03:00-04:00 UT
Both are taken on Fujicolor 400iso with 50mm objective. Exposure of the first is 180s and the second 30s.
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Observer: Jan Vesely
Location: Hradec Kralove, Czech Republic
Date: March 8, 1997 03:05-03:14 UT
First image is a tri-color taken by telephoto lens 4/300 and CCD PixCel 255. Exp. times are: 60 sec. red, 90 sec. green and 120 sec blue. IR blocking filter was used. The second image was taken by 2,8/80 lens and CCD PixCel 255. 120 sec. exposure. The image was log-scaled.
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Observer: Andjelko Glivar
Location: Donja Stubica, Croatia
Date: March 8, 1997 03:15-04:01 UT
First image: 5 minutes with Celestron 8. Second image: 4 minutes with Tele 200mm/f:3,5 Third image: 4 minutes with lens 58mm/f:2 On this image we can see Deneb and NGC7000 and at the end of the tail of HB Open cluster M39. All images are photographed on Fujicolor super G plus 800.
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Observer: Paolo Candy
Location: Cimini Mountains, Viterbo, Italy
Date: March 8, 1997 03:30 UT
400 mm f/2.8 camera lens Nikkor IF-ED (6inch triplet) on SP-Dx mount=20 + Deepsky Lumicon filter - Kodak Ektapress Gold II Multi Speed Prf PJM 640= ISO 20 minutes of exposure guiding by C5 on comet nucleus. Clear sky.
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Observer: Paolo Candy
Location: Cimini Mountains, Viterbo, Italy
Date: March 8, 1997 03:30 UT
400 mm f/2.8 camera lens Nikkor IF-ED (6inch triplet) on SP-Dx mount=20 + Deepsky Lumicon filter - Kodak Ektapress Gold II Multi Speed Prf PJM 640= ISO 20 minutes of exposure guiding by C5 on comet nucleus. Clear sky.
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Observers: Michel Benvenuto, Emmanuel Antuna
Location: Peira Cava, France
Date: March 8, 1997 03:40 UT
The picture was taken using a 80mm lens at F/D 5.6, in 4mn on Fuji 800 on a motorized G11 mount. Hale Bopp is 10 degrees below Cocoon Nebula , the head is crescent-like, the straight blueish plasma tail extends at least 10 degrees from the head while the very wide fan-like yellowish dust tail is well separated from it. On the print North America Nebula is visible near the top of the picture.
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Observer: Paolo Bussola
Location: Valfredda, Monte Baldo, Italy
Date: March 8, 1997 03:51, 05:10 UT
First image: 85 mm Minolta lens at f4, 6 minutes exp. on Scotch Chrome 800-3200P.
Second image: 28 mm Minolta lens at f4, 45 seconds exp. on Scotch Chrome 800-3200P.
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Observers: Salvador Sanchez, Antonio Garcia
Location: Observatorio Astronomico de Mallorca, Costitx, Spain
Date: March 8, 1997 03:54-03:58 UT
The images were obtained with the C14 at f/22 + ST6 CCD with 0.5 sec exposures.
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Observers: Gian Luca Falzone, Lauro Fortuna, Gianluca Masi, Franco Mallia
Location: Astronomical Observatory of ampo Catino, Italy
Date: March 8, 1997 04:00 UT
Image taken with a 80mm f/2.8 lens and a Fuji film 1600 ISO. 8 min exposure.
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Observers: Friedrich Wieland, W. Wieland
Location: Bonn, Germany
Date: March 8, 1997 04:00 UT
This image of Comet Hale-Bopp was taken on TP2415 film by a Celestron 5.5" Schmidt camera.
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Observers: Frank Niebling, Christian Kuhn
Location: Affaltertal, Germany
Date: March 8, 1997 04:00 MEZ
The first image has been taken using a 100mm Pentax SDUF (1/4) and a Fuji Velvia (Exposure time: 8min). The second image is a drawing using a 305 Newton F1/5.3 at a magnification of 81.
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Observer: Stefano Sposetti
Location: Monte Generoso, Switzerland
Date: March 8, 1997 04:03 UT
The telescope is a 62cm f:8 Ritchey-Crtien owned by the Ferrovia Monte Generoso SA. The CCD is a HiSIS33 The photo was taken, unfiltered. The field of wiew is approx. 6'x6'.
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Observers: Giovanni Costa, Claudio Lissandrini
Location: Asiago Observatory, Italy
Date: March 8, 1997 04:16 UT
Photograph of Comet Hale-Bopp (expt. 25 min) obtained with the Schmidt 67/92 cm (f=205 cm) telescope of the Asiago Astrophysical Observatory (Italy). Emulsion: unfiltered TP4415 hypered in forming gas. Field: 3 degrees on the long side of the image. Observers: Giovanni Costa and Claudio Lissandrini. The inset (inverted colors, same angular scale and orientation) shows a short 15 sec exposure (UT 02:44) on the inner comet's regions.
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Observer: Josep Trigo
Location: Benicassim Observatory, Castello, Spain
Date: March 8, 1997 04:31-04:48 UT
(T) 173/1050 mm in focus.
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Observer: Tom Alderweireldt
Location: Gravenwezel, Belgium
Date: March 8, 1997 04:38, 05:14 UT
First image is a PixCel255 CCD image taken Mar 8, 1997 at 04:38 UT. Exposure 30 sec (6 x 5 sec) with 50 mm F/1.4 lens, image sharpened with nebula filter and log scaled. Field of view: 2.67 x 3.55 degrees
Second image is a PixCel255 CCD image with 200 mm F/3.5 lens. Exposure: 8 x 2 sec, log scaled, field of view: 40 x 53 arcmin.
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Observer: Robert Bettinelli
Location: Observatoire de la Perdrix, France
Date: March 8, 1997 04:40 UT
Lens: 200 mm, Film 400 ASA, Exposure: 30 mins.
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Observer: Josep Trigo
Location: Benicassim (Castellon), Spain
Date: March 8, 1997 04:43-04:44 UT
(T) 173/1050 mm in focus.
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Observer: Lorenzo Comolli
Location: Mount S. Martino, Italy
Date: March 8, 1997 05:00 UT
First image: Bright tails are visible. 4 min exposure, Kodak EPH 3200 ISO, 200 mm (f/3,5). Second image: Might it be the Bethlehem Comet? 1 min exposure, Kodak EPH 3200 ISO, 55 mm (f/2,8). Third image: North America Nebula (NGC7000) is visible near Deneb (Cygnus). 1 min exposure, Kodak EPH 3200 ISO, 55 mm (f/2,8). Fouth image: The asimmetric inner coma. 30 sec exposure, Kodak EPH 3200 ISO, 2000 mm (f/10).
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Observer: Jose-Luis Ortiz
Location: Observatorio de Sierra Nevada, Granada, Spain
Date: March 8, 1997 05:02 UT
4-minute exposure taken through a f/5.4 300mm lens + 1024 x 1024 CCD. The image is shown in logarithmic stretch.
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Observer: Xavier Bros
Location: Montjoia, Barcelona, Catalonia, Spain
Date: March 8, 1997 06:30 UT
Image taken with a 200mm with f4 and 10 minutes of exposure on 800 FUJICOLOR.
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Observers: Tim Forrest, Jason Mecurio
Location: Cedar Island, North Carolina
Date: March 8, 1997 08:02-08:12 UT
Pentax K1000 FUJI Super G 800 135mm f 2.5 20 sec with flash at exposure end. Note horizon in front of Jason.
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Observer: Stephane Potvin
Location: St-luc Dorchester, Quebec, Canada
Date: March 8, 1997 09:08 UT
This is a 10 second exposure of Hale-bopp. Camera SBIG ST7 ccd image, taken at prime focus of 6" f/7 astro-physic's refractor telescope. It was incredible, i never seen that. Image has been flat fielded and log scaled.
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Observer: Ian Griffin
Location: Astronaut Memorial Planetarium & Observatory, Cocoa, Florida
Date: March 8, 1997 09:18-09:31 UT
First image is a 300 second exposure of comet Hale-Bopp. A 12 inch Maksutov telescope, working at a focal ratio of f5 was used with an SBIG ST8 CCD camera and a Lumicon Swann Band filter. Second image is a 300 second exposure started at 04:17:43 It has been flat fielded and dark subtracted. Exposure made through a lumicon swann band filter. Third image is a false colour version of the 2nd image.
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Observers: Alberto Quijano Vodniza, Jose Alonso
Location: Mayaguez, Puerto Rico
Date: March 8, 1997 09:48:05 UT
The image was taken with a ST-6 CCD camera through a 5 inch, F10 reflector. 5 sec exposure. Rico ( lat 18 N, long 67 W ).
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Observer: Jim Powers
Location: Half Moon Bay, California
Date: March 8, 1997 10:35 UT
Photo was taken with Fuji 400 film, exposure 2 min. The camera (70mm lens) was piggybacked on a clock-driven telescope.
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Observer: Marcus Featherston
Location: Panama City, Florida
Date: March 8, 1997 10:45 UT
First two: 55 mm f/1.4 lens approx 20-30 second exposures. Third: 135 mm f/2.8 lens approx 15 second exposure.
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Observers: Michael Palermiti, Carlos Hernandez
Location: Palermiti Observatory
Date: March 8, 1997 10:50 UT
A series of six CCD images of Comet Hale-Bopp (1995 O1) using the Palermiti Observatory 16-inch (41-cm) f/4.4 Newtonian reflector (barlow projection producing an EFR of f/9). Exposure times ranged from 0.25 to 0.50 seconds.
Processed images of the nuclear region of Comet Hale-Bopp (1995 O1).
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Observer: Bill Arnold
Location: Biloxi, Mississippi
Date: March 8, 1997 11:00 UT
The exposure was for about 1 minute.
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Observer: Allen Beers
Location: Des Moines, Iowa
Date: March 8, 1997 11:20, 10:30 UT
Image 1: 210mm, f/4; 3 minute exposure at 0520 CT (1120 UT). Fugi 800 film. Image 2: 58mm, f/1.2; 20 second exposure at 0430 CT (1030 UT). Fugi 800 film.
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Observer: Paul Crips
Location: Cheyenne, Wyoming
Date: March 8, 1997 12:01 UT
10 minute exposure with 67 Pentax mounted on NGT-18 Newtonian. Tail on comet is now becoming much brigher. Observations with the primary mirror on the Newtonian showed waves or ripples of gas forming on the front leading edge of the comet. Comet has at least a 25 degree tail.
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Observer: Wil Milan
Location: Phoenix, Arizona
Date: March 8, 1997 12:10 UT
First image is a telescopic shot of H-B showing the multi-stranded structure of the blue ion tail. Taken with a 4" f/5 Tele Vue Genesis apochromatic refractor on a Super Polaris mount, unhypered Kodak PPF400 (400 ASA) film, 25-minute exposure taken 1210 UTC from Table Mesa, a desert location 40 miles north of Phoenix, Arizona. Second image is a wider-angle (200mm) shot of H-B showing the full span of the bifurcated tail. Taken with a 200mm f/2.8 telephoto lens piggyback on a Super Polaris mount, unhypered Fujicolor 1600 film, 10-minute exposure taken 1210 UTC.
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Observer: John Isenberg
Location: Temlin Highway, Near Castaic, California
Date: March 8, 1997 12:45 UT
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Film: Kodak Royal Gold 400
Camera: Pentax H1a with 50mm f/1.4 Super Takumar at f/2.4
piggyback on my 8" Meade Schmidt-Cass for guiding
Exposure: About 5 minutes.
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Observer: Marcus Pun
Location: Oakland, California
Date: March 8, 1997 14:00 UT
Drawing made through 8" dobsonian at 160x.
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Observer: Wayne Itokazu
Location: Haleakala, Maui, Hawaii
Date: March 8, 1997 15:05-15:40 UT
First image: Nikon 135mm @ f/3.5 using unhypered Fuji SG-800 Composite of two 5-minute exposures. Second image: Nikon 50mm @ f/2.8 using unhypered Fuji SG-800 Composite of two 30-second exposures.
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Observer: Keiichi Maeda
Location: Kiyokawa-mura, Kanagawa, Japan
Date: March 8, 1997 18:40-19:40 UT
First image: Minolta X-700 / 50mm F1.4 exposed 15sec at F2.8 without guide Fujicolor Super G Ace400 Second image: Minolta X-700 / 50mm F1.4 and Kenko X2 teleconverter lens exposed 15sec at F2.8 without guide Fujicolor Super G Ace400 Third image: Minolta a-7xi / 200mm F2.8 exposed 15sec at F2.8 without guide Fujicolor Super G Ace800
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Observer: Bengt Ask
Location: Svalov, Sweden
Date: March 8, 1997 19:40, 18:53 UT
Common to both pictures are the film, Kodak Ektacolor Pro Gold (GPY) 400. The first image was obtained with a 135 mm telephoto lens stopped down to f/4 and the exposure time was 4 minutes. The shadow in the lower right corner is a nearby tree. The second one was shot with a 400 mm lens which was used wide open at f/5,6. Exposure time 8 minutes.
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Observer: Fred Wehner
Location: Hochstetten, Germany
Date: March 8, 1997 20:05 CET
The image is taken with a Pentax 1:1.4 50mm on Kodak Tri-X-Pan with 25 sec exposure time.
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Observer: Stephane Potvin
Location: St-luc Dorchester, Quebec, Canada
Date: March 8, 1997 22:58 UT
This is a 4 seconds exposure with SBIG ST7,taken at prime focus of a 150mm f7 Astro-physic's refractor. Look the inner coma.
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