References to the Astrographic Observations, US Naval Observatory at Flagstaff


----------------------------------------------------------------

US Naval Observatory at Flagstaff

         sent via e-mail by Alice Monet, 1994 Jul 6; 
                            Ron Stone, 1995 Dec 13
                            Ron Stone, 1997 Oct 21
                            Ron Stone, 1998 Jun 3
                            Ron Stone, 1998 Jul 21
                            Ron Stone, 1998 Aug 3

----------------------------------------------------------------

Table Mountain Observatory; Wrightwood, California

   transmitted by W M Owen, JPL


----------------------------------------------------------------

Bordeaux Observatory

         sent via e-mail by Michel Rapaport, 1998 Jun 23

----------------------------------------------------------------

Nikolaev Astronomical Observatory, Ukraine

         observers : L A Gudkova  and G K Gorel

           Jupiter and Saturn observations transmitted by 
                      Y I Protsyuk, September 2000 and G A Krasinsky, January 2001

           Uranus and Neptune observations transmitted by 
                      L A Gudkova, March 2003

----------------------------------------------------------------

McDonald Observatory, U of Texas

         sent via e-mail by Peter Shelus, 1997 Mar 26

----------------------------------------------------------------