Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J16180497+2133040

PSN J16180497+2133040   2011 06 17.3141*  16 18 04.97 +21 33 04.0  16.9 U    4W   9S  U10231    P 1

2011 06 19.1627

SUPERNOVA IN UGC 10321 = PSN J16180497+2133040 R. Gorelli, J. Newton, and T. Puckett report the discovery of an apparent supernova (mag 16.9) on an unfiltered CCD image (limiting mag 19.0) taken with a 0.40-m reflector at Portal, AZ, U.S.A., on Jun. 17.3141 UT in the course of the Puckett Observatory Supernova Search. The new object, which was confirmed at mag 16.9 on Jun. 19.1627 by Puckett with the 40-cm reflector at Portal, is located at R.A. = 16h18m04.97 Decl. = +21o33'04".0 (equinox 2000.0), which is 4".19 west and 9".2 south of the center of UGC 10321. Nothing is visible at this position on images taken by Puckett on 2011 May 31 (limiting mag 19.0). The object was designated PSN J16180497+2133040 on the Central Bureau's TOCP webpage. A finder image is located at http://possdata.com/PSNJ16180497+2133040.jpg