Circular No. 7972 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) CBAT@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html ISSN 0081-0304 Phone 617-495-7440/7244/7444 (for emergency use only) COMET 2002 S1 B. Skiff, Lowell Observatory, reports his discovery of a comet on images taken by him in the course of the LONEOS program, with the available observations given below. The object has a moderately condensed coma of diameter 10" and a tail 30" long in p.a. 285 deg. At Skiff's request, M. Hayes-Gehrke obtained a confirming 5-min CCD R frame (also on Sept. 17, in twilight) with the Lowell Observatory's Perkins 1.8-m telescope, showing a 8" coma and a tail about 30" long in p.a. 280 or 285 deg. 2002 UT R.A. (2000) Decl. m1 Sept.17.41755 7 02 13.22 +49 41 30.4 18.0 17.43083 7 02 14.77 +49 41 35.0 17.44419 7 02 16.21 +49 41 38.3 17.45753 7 02 17.87 +49 41 43.0 (C) Copyright 2002 CBAT 2002 September 17 (7972) Daniel W. E. Green