Electronic Telegram No. 1311 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 2008bh IN NGC 2642 An apparent supernova has been discovered independently on unfiltered CCD images by two groups: by A. Narla, W. Li, and A. V. Filippenko, University of California at Berkeley (LOSS/KAIT; cf. CBET 1303); and by G. Pignata, J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, P. Gonzalez, P. Lopez, S. Silva, and G. Folatelli, Universidad de Chile, together with D. Reichart, K. Ivarsen, A. Crain, D. Foster, M. Nysewander, and A. LaCluyze, University of North Carolina at Chapel Hill (CHASE project, 0.41-m "PROMPT 5" telescope located at Cerro Tololo; cf. CBET 1301). 2008 UT R.A. (2000.0) Decl. Mag. Offset Observers Mar. 23.16 8 40 46.15 -04 07 09.3 16.3 26".2 E, 8".7 N Pignata et al. Mar. 23.20 8 40 46.15 -04 07 09.4 17.5 26".4 E, 9".1 N Narla et al. Additional magnitudes for 2008bh in NGC 2642: Feb. 16.22 UT, [19.0 (KAIT); 23.11, [17.5; (CHASE); Mar. 13.07, [17.5 (CHASE); 24.02, 16.3 +/- 0.5 (CHASE); 24.19, 17.4 (KAIT). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2008 CBAT 2008 March 24 (CBET 1311) Daniel W. E. Green