POSSIBLE SUPERNOVA IN PGC 62205

Wei Gao,Yang Shen,Ziheng Zhang,Di Hu,Haochen Xue,Mi Zhang,Qiang Yin,Yunxiang Yu,Jiayi Xu,Liangjian Liao,Yanwen Lou,Luze Li,Weizhaohuang Song,Shaoxiong Gu,Cheng Ji,Xiaobing Wang,Tianyu Tu,Aobo Wang,Shulei Yin,Guoyou Sun,Xing Gao, report the discovery of a possible supernova (mag approximately 17.7) on one 40-s survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observation Sky Survey(C42) around Feb 29.98125 UT. using an unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=18h 39m 18s.89 Decl.=+38 56 09.1(equinox 2000.0). Nothing is visible at this position on archival images taken on Dec.05,2015(limiting mag 19.0), or on the DSS(POSS-II Red) from May.30,1993(limiting mag about 20.5).

NET USNO-A2.0
PSP16G C2016 02 29.98125 18 39 18.89 +38 56 09.1 17.7 V C42

All images can be seen from: http://www.xjltp.com/XOSS/PSP16G/PSP16G.htm
C42,Xingming Observatory,Mt. Nanshan. Observers W.Gao,Y.Shen,Z.Zhang,D.Hu,H.Xue,M.Zhang,Q.Yin,Y.Yu,J.Xu,L.Liao,Y.Lou,L.Li,W.Song,S.Gu,C.Ji,X.Wang,T.Tu,A.Wang,S.Yin,G.Sun,X.Gao, Measurers G.Sun 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.

 

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Discovery image taken by C42 on Feb.29.98125 UT,2016

DSS IMAGE

Archival images taken by C42 on Dec.05 UT,2015