Circular No. 7309

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html Phone 617-495-7244/7440/7444 (for emergency use only)

SUPERNOVA 1999ew in NGC 3677

M. Modjaz and W. D. Li, University of California at Berkeley, on behalf of the Lick Observatory Supernova Search (cf. IAUC 6627, 7126), report the discovery with the 0.8-m Katzman Automatic Imaging Telescope (KAIT) of an apparent supernova on unfiltered CCD images taken on Nov. 13.5 and 14.5 UT, both showing magnitude about 16.5. SN 1999ew is located at R.A. = 11h26m17s.66, Decl. = +46o58'32".7 (equinox 2000.0), which is 0".3 west and 6".1 north of the nucleus of NGC 3677. A KAIT image of the same field on May 23.3 (limiting mag about 19.0) showed nothing at the position of SN 1999ew.

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Host galaxy info: V = 7475 km/s, 1.9'x1.7', (R')SA(r)0/a:

SN type info: SN II

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