2012CBET.3009....1H

S. Howerton, Arkansas City, KS, U.S.A.; A. J. Drake, S. G. Djorgovski, A. Mahabal, M. J. Graham, and R. Williams, California Institute of Technology; J. L. Prieto, Princeton University; M. Catelan, Pontificia Universidad Catolica de Chile; R. H. McNaught and G. Garradd, Australian National University; E. C. Beshore and S. M. Larson, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, report the discovery of an apparent supernova in public images from the Catalina Sky Survey (CSS).

---------------------------------------------------------------------------— SN 2012 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2012W Jan. 26.09 0 50 08.95 -05 11 17.5 16.6 10".0 W, 18".6 N ---------------------------------------------------------------------------—

The variable was designated PSN J00500895-0511175 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2012W based on the spectroscopic confirmation reported below. Additional CCD magnitudes for 2012W: 2011 Nov. 28.16 UT, [19.4 (CSS); 2012 Jan. 29.093, 15.9 (Joseph Brimacombe, Cairns, Australia; luminance filter; position end figures 08s.98, 17".6; image posted at http://www.flickr.com/photos/43846774@N02/6785808279/).