Electronic Telegram No. 1736 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 SUPERNOVA 2009bs IN NGC 5163 Further to CBET 1706, J. Rex, W. Li, S. B. Cenko, and A. V. Filippenko, University of California, report the LOSS discovery of an apparent supernova on unfiltered KAIT images: SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009bs Mar. 21.43 13 26 56.20 +52 45 17.5 17.7 17".7 E, 4".4 N Additional KAIT magnitudes for 2009bs in NGC 5163: Feb. 4.48 UT, [19.0; Mar. 24.43, 17.6. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 March 24 (CBET 1736) Daniel W. E. Green