2012CBET.3111....1K

Further to CBET 3105, M. Kandrashoff, S. B. Cenko, W. Li, and A. V. Filippenko report the LOSS discovery of an apparent supernova on unfiltered KAIT images:

---------------------------------------------------------------------------— SN 2012 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2012cg May 17.22 12 27 12.83 + 9 25 13.2 16.9 17".3 E, 1".5 S ---------------------------------------------------------------------------—

The variable was designated PSN J12271283+0925132 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2012cg based on the spectroscopic confirmation reported below. Additional CCD magnitudes for 2012cg (unfiltered unless noted otherwise): May 12.30 UT, [18.5 (KAIT); 14.87, [19.0 (G. Cortini, Predappio, Italy; Celestron C14 telescope + Starlight X-Press SXVR H9 camera); 17.26, 16.8 (KAIT); 18.332, 14.9 (Joseph Brimacombe, Cairns, Australia; luminance filter; position end figures 12s.84, 13".1; image posted at http://www.flickr.com/photos/43846774@N02/7225356298/); 18.840, R_c = 15.1 (Massimiliano Martignoni, Magnago, Italy; 0.25-m f/10 reflector; position end figures 12s.82, 12".9); 18.89, 15.2 (Cortini); 18.975, 14.9 (Federica Luppi and Luca Buzzi, Varese, Italy; 0.38-m f/6.8 reflector; position end figures 12s.84, 13".1; reference stars from CMC-14 catalogue; image posted at http://www.astrogeo.va.it/pub/TOCP/PSN_N4424.jpg).