Electronic Telegram No. 1949 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 2009gu IN ESO 68-12 M. Stritzinger, Las Campanas Observatory; and G. Folatelli, Universidad de Chile, on behalf of the Carnegie Supernova Project and the Millennium Center for Supernova Science, report that they obtained an optical spectrogram of supernova 2009gu (cf. CBET 1863) on Sept. 18.1 UT with the Gemini South telescope (+ GMOS). The spectrum reveals that this is a normal type-Ia supernova around 2 months past peak brightness. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 September 24 (CBET 1949) Daniel W. E. Green