Electronic Telegram No. 2370 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 SUPERNOVA 2010gf IN UGC 633 Further to CBET 2368, C. Griffith, S. B. Cenko, W. Li, and A. V. Filippenko, University of California, report the LOSS discovery of an apparent supernova on unfiltered KAIT images: SN 2010 UT R.A. (2000.0) Decl. Mag. Offset 2010gf July 11.45 1 01 21.14 +31 30 46.4 18.9 2".0 W, 18".2 N Additional KAIT magnitudes for 2010gf: a co-added image from Nov. 2009 to Jan. 2010, [20.2; 2010 July 13.50, 18.8. SN 2006O also occurred in the galaxy UGC 633. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 July 14 (CBET 2370) Daniel W. E. Green