2011CBET.2668....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, report the Catalina Real-time Transient Survey's discovery of an apparent supernova in public images from the Catalina Sky Survey.

---------------------------------------------------------------------------— SN 2011 UT R.A. (2000.0) Decl. Mag. Offset 2011an Mar. 1.19 7 59 24.42 +16 25 08.2 18.4 11".6 E, 8".5 S ---------------------------------------------------------------------------—

This object was designated PSN J07592442+1625082 when posted on the Central Bureau's TOCP webpage and is here designated SN 2011an based on the spectroscopy reported below. Further unfiltered CCD magnitudes for 2011an: Jan. 28.26 UT, [20.5 (Mt. Lemmon Survey); Mar. 2.13, 16.9 (Howerton, 0.2-m telescope); Mar. 3.269, 15.7 (Joseph Brimacombe, Cairns, Australia; remotely using a 51-cm RCOS telescope + STL11K camera at New Mexico Skies Observatory, Mayhill, NM, U.S.A.; position end figures 24s.38, 09".1). Brimacombe has posted his image at URL http://www.flickr.com/photos/43846774@N02/5493974475/. The presumed host galaxy is UGC 4139 = PGC 22391.