Electronic Telegram No. 893 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://cfa-www.harvard.edu/iau/cbat.html SUPERNOVA 2007at IN ESO 580-G44 Further to IAUC 8813, N. Lee and W. Li report the LOSS discovery of an apparent supernova (at mag 17.7) on an unfiltered KAIT image taken on Mar. 18.53 UT, with an earlier confirming image from Mar. 3.51 showing the new object at mag 17.8. SN 2007at is located at R.A. = 14h51m12s.28, Decl. = -21o23'31".2 (equinox 2000.0), which is 7".7 east and 7".8 south of the center of ESO 580-G44. Nothing is visible at this location on a KAIT image taken on 2006 June 26.20 (limiting mag 19.0). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2007 CBAT 2007 March 18 (CBET 893) Daniel W. E. Green