2005IAUC.8518....2T

Further to IAUC 8476, O. Trondal, P. Holvorcem, and M. Schwartz report their discovery of an apparent supernova (mag about 18.0) on unfiltered Tenagra II 0.81-m telescope images taken on Apr. 20.40 and 21.27 UT. SN 2005bt is located at R.A. = 13h07m13s.07, Decl. = +58o08'08".4 (equinox 2000.0), which is 4".4 west and 2".2 north of the nucleus of UGC 8205. Nothing was visible at this position in earlier images taken by T. Boles on 2003 May 25.96 (0.35-m reflector; limiting mag about 19.0) and W. Li on 2002 June 19.22 (KAIT; limiting mag about 19.0). T. Puckett provides the following unfiltered CCD magnitudes for SN 2005bt: 2002 Apr. 18, [20; 2003 Apr. 12, [20; 2005 Mar. 19, 18.4; Apr. 17, 18.0; 21, 18.0.