POSSIBLE SUPERNOVA IN AN ANONYMOUSE GALAXY

Yi Ding, Wei Gao and Xing Gao,report the discovery of a possible supernova(mag approximately 15.7)on one 40-s survey image(limiting mag about 19.0)taken by Xing Gao in Xingming Observation Sky Survey(C42)around Feb.20.99075 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 44m 12s.49 Decl.=+24 09 29.7(equinox 2000.0), which was found in an anonymous galaxy near PGC 62338. Nothing is visible at this position on archival images taken on Nov.13,2015(limiting mag 19.0), or on the DSS (POSS-II Red) from Jun.20,1992 (limiting mag about 19.5).

NET UCAC-A2.0

PSP16E C2016 02 20.99075 18 44 12.49 +24 09 29.7 15.7 V C42

All images can be seen from: http://www.xjltp.com/XOSS/PSP16E/PSP16E.htm

C42,Xingming Observatory,Mt. Nanshan. Observers Y.Ding,W.Gao,X.Gao,Measurer W.Gao 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.


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Discovery image taken by C42 on Feb.20.99075 UT,2016

DSS IMAGE

Archival images taken by C42 on Nov.13 UT,2015