Electronic Telegram No. 2458 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network SUPERNOVA 2010hw IN UGC 10685 Further to CBET 2454, L. Jewett, 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 2010hw Sept. 12.17 17 04 50.19 +12 55 36.4 19.1 10".2 W, 6".7 N Additional KAIT magnitudes for 2010hw: a co-added frame from Mar.-July, [21.3; Sept. 15.14 UT, 19.0. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 September 16 (CBET 2458) Daniel W. E. Green