POSSIBLE NOVA IN M31

Guoyou Sun(Wenzhou, Zhejiang, China) and Xing Gao (Urumqi, Xinjiang, China)report the discovery of a possible nova (mag approximately 18.0) on several 90-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jan. 08.52704 UT using a unfilled CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). the new object approximately located at R.A.=00h42m42s.64 Decl.=+41<19'14".6 (equinox 2000.0).Which is about 19 West and 186 North of center of the NGC224.Nothing is visible at this position on archival images taken on Jan 06.51(limiting mag 19.0)

NET USNO-A2.0
XM02GS C2011 01 08.52704 00 42 42.64 +41 19 14.6 18.0 V C42
XM02GS C2011 01 08.54211 00 42 42.71 +41 19 15.1 18.3 V C42
XM02GS C2011 01 08.55193 00 42 42.69 +41 19 14.5 17.9 V C42

All images can be seen from: http://www.xjltp.com/XOSS/XM02GS/XM02GS.htm

C42 Xingming Observatory, Mt. Nanshan. Observers 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 Jan. 08.52704LM=19.5,90S                     

   

             Kamil Hornoch IMAGE

   

           archival images taken on Jan.06