Electronic Telegram No. 1859 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 2009gk IN UGC 11803 Further to CBET 1853, A. Narla, 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 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009gk June 23.43 21 44 27.28 +14 53 57.3 18.3 22".0 W, 2".5 S Additional unfiltered KAIT magnitudes for 2009gk in UGC 11803: a co-added image from Oct. to Dec. 2008, [19.5; June 24.46, 19.1; 25.43, 18.8. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 June 25 (CBET 1859) Daniel W. E. Green