2011CBET.2637....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, Carnegie Observatories; M. Catelan, Pontificia Universidad Catolica de Chile; E. C. Beshore and S. M. Larson, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, reported (on Jan. 12) the Catalina Real-time Transient Survey's discovery of an apparent supernova in public images from the Catalina Sky Survey (CSS). The object is located at R.A. = 10:52:34.53, Decl. = +22:56:05.2 (equinox 2000.0), which is 16".9 west and 2".2 north of the center of NGC 3437 (which itself has redshift z = 0.0042). CSS unfiltered-CCD magnitudes for the new object, which was designated PSN J10523453+2256052 and posted on the Central Bureau's "Transient Objects Confirmation Page": 2010 Dec. 11.47 UT, [19.5; 2011 Jan. 3.45, 19.1; 10.41, 18.4 (discovery observation). The type-Ic supernova 2004bm had position end figures 35s.33, 05".5 (cf. IAUC 8335).