2012CBET.3093....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, 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 ---------------------------------------------------------------------------— 2012bw Mar. 22.44 16 12 56.09 +32 30 42.3 19.0 19".0 W, 2".6 S ---------------------------------------------------------------------------—

Nothing was visible at this position on an image from Apr. 2.45 UT (limiting mag 20.0). The variable was designated PSN J16125609+3230423 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2012bw based on the spectroscopic confirmation reported below.