Electronic Telegram No. 1637 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION M.S. 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://www.cfa.harvard.edu/iau/cbat.html COMET P/2008 X1 = 2003 F6 (HILL) M. Meyer, Limburg, Germany, reports his identification of images of comet P/2008 X1 on three NEAT frames from 2003 Mar. 24, the object being clearly cometary with a coma diameter of 8" and a 12" tail in p.a. 240 deg. He then recognized four LONEOS observations on 2003 Apr. 1. The first of each set of observations, designated P/2003 F6, are: 2003 UT R.A. (2000) Decl. Mag. Mar. 24.35873 12 53 50.03 +23 29 40.9 19.8 Apr. 1.28612 12 48 08.21 +24 15 50.2 19.2 Further details, including observations on 2008 Dec. 26 and a linked 2003-2008 orbit, are given on MPEC 2008-Y60. The comet is at perihelion on 2002 Aug. 19.1 and 2009 May 7.8 TT. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2008 CBAT 2008 December 29 (CBET 1637) Brian G. Marsden