Electronic Telegram No. 2526 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network SUPERNOVA 2010is IN MCG +04-55-2 J. M. Silverman, M. T. Kandrashoff, A. J. L. Morton, and A. V. Filippenko, University of California, Berkeley, report that inspection of a fairly noisy CCD spectrum (range 340-1000 nm), obtained on Nov. 2 UT with the 3-m Shane reflector (+ Kast) at Lick Observatory, shows that 2010is (CBET 2497) is a type-Ib (or possibly a type-Ic) supernova. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 November 3 (CBET 2526) Daniel W. E. Green