2011CBET.2955....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; 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 discovery of an apparent supernova in public images from the Catalina Sky Survey (CSS):

---------------------------------------------------------------------------— SN 2011 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2011jj Dec. 1.09 1 26 31.80 +31 37 02.6 19.8 23".0 W, 3".8 N ---------------------------------------------------------------------------—

Note that the position is close to SN 2011ix (cf. CBET 2942), which is also seen in some of the follow-up CSS images. The variable was designated PSN J01263180+3137026 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2011jj based on the spectroscopic confirmation reported below. Additional magnitudes for 2011jj (unfiltered unless noted otherwise): Sept. 22.24 UT, [20.2 (CSS); Oct. 16.183, 19.1 (Joseph Brimacombe, Cairns, Australia; remotely using a 51-cm RCOS telescope + STL11K camera + luminance filter at the New Mexico Skies Observatory near Mayhill, NM, U.S.A.; position end figures 31s.76, 02".8); 18.22, 19.3 (CSS); 24.33, 19.5 (CSS); Nov. 1.25, 19.3 (CSS); 1.403, 19.4 (Brimacombe; position end figures 31s.82, 02".8); Dec. 18.213, 19.5 (Brimacombe; position end figures 31s.80, 03".0). Brimacombe's Oct. 16 image is posted at the following website URL: http://www.flickr.com/photos/43846774@N02/6536985993/; his Nov. 1 image is posted at http://www.flickr.com/photos/43846774@N02/6539516343/; and his Dec. 18 image is posted at http://www.flickr.com/photos/43846774@N02/6536691675/.