Electronic Telegram No. 1978 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 2009jw IN UGC 3933 Further to CBET 1974, I. Kleiser, 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 2009jw Oct. 3.55 7 37 36.76 +41 56 56.9 18.3 4".1 W, 7".0 N Additional KAIT magnitudes for 2009jw in UGC 3933: a co-added frame from Mar. 13 to Apr. 21, [19.5; Oct. 17.56, 18.5. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 October 18 (CBET 1978) Daniel W. E. Green