Electronic Telegram No. 129 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 2005av IN NGC 6943 M. Salvo and B. Schmidt, Australian National University (ANU); L. Kiss, University of Sydney; and A. Derekas, University of New South Wales, report that a spectrum (range 580-675 nm) of SN 2005av (cf. IAUC 8499), taken with the ANU 2.3-m telescope (+ Double-Beam Spectrograph) at Siding Spring Observatory on Mar. 27.76 UT, is similar to that of the type-IIn supernova 2001ir (cf. IAUC 7784). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the formal IAU Circulars. (C) Copyright 2005 CBAT 2005 March 29 (CBET 129) Daniel W. E. Green