Electronic Telegram No. 2596 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 2010kv IN UGC 4216 Further to CBET 2579, S. B. Cenko, W. Li, and A. V. Filippenko report the LOSS discovery of an apparent supernova on unfiltered KAIT images: SN 2010 UT R.A. (2000.0) Decl. Mag. Offset 2010kv Dec. 16.56 8 05 51.07 +12 28 32.4 18.5 3".1 E, 15".4 S Additional magnitudes for 2010kv: a co-added frame from Jan.-Apr., [19.8 (KAIT); Dec. 17.64 UT, 18.2 (J. Brimacombe, Cairns, Australia; co-added image from thirteen 600-s unfiltered images taken with a 0.4-m telescope at Coral Towers Observatory). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 December 19 (CBET 2596) Daniel W. E. Green