POSSIBLE SUPERNOVA IN PGC33464
Xuehui Mao, Wei Gao, Yi Ding, Mi Zhang and Xing Gao, report the discovery of a possible supernova (mag approximately 18.2) on several 40-s survey images (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 07.96979 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The transient approximately located at R.A.=11h04m36.99s +45d58’39”.5 (equinox 2000.0). Which is about 2.6″ east and 27.6″ south of the center of the PGC33464. Nothing is visible at this position on archival images taken on May. 30.65884 UT(limiting mag 19.0).
PSP19F C2019 12 07.96979 11 04 36.99 +45 58 39.5 18.2 V C42
All images can be seen from: http://www.xjltp.com/XOSS/PSP19F/PSP19F.htm
C42, Xingming Observatory, Mt. Nanshan. Observers Xuehui Mao, Wei Gao, Yi Ding, Mi Zhang and Xing Gao Measurer M.Zhang 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.
Discovery image taken by C42 on Dec. 07.96979 UT, 2019