References to the Astrographic Observations:

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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

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Table Mountain Observatory; Wrightwood, California

   transmitted by W M Owen, JPL


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Bordeaux Observatory

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

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McDonald Observatory, U of Texas

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

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