Electronic Telegram No. 2400 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Room 209; Dept. of Earth and Planetary Sciences; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbat@iau.org; cbatiau@eps.harvard.edu URL http://www.cfa.harvard.edu/iau/cbat.html COMET P/1999 XB69 = 2010 C2 (LINEAR) G. V. Williams, Minor Planet Center, has identified comet P/1999 XB69 in WISE data: 2010 UT R.A. (2000) Decl. Mag. Feb. 1.56490 14 30 58.74 -25 34 02.2 21 He subsequently identified the comet in data from the Mount Lemmon Survey on 2008 Oct. 31. The indicated correction to the prediction on MPC 56804 is Delta_T = -0.34 day. Further details are given on MPEC 2010-P21. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 August 4 (CBET 2400) Brian G. Marsden