POSSIBLE NOVA IN M31

Guoyou Sun(Wenzhou, Zhejiang, China) and Xing Gao (Urumqi, Xinjiang, China)，report the discovery of a possible nova (mag approximately 17.8) on a 60-s survey images (limiting mag about 19)taken by Xing Gao in Xingming Observation Sky Survey(C42) around sep.30.67762 UT using a unfilled CCD Camera ( + Celestron C14 Schmidt-Cassegrain telescope D=350-mm @f/7.5 ). the new object approximately located at R.A. =00h 43m 45.1s Decl.=+41°07’54.4″ (equinox 2000.0). Nothing is visible at the same location on images taken on sep 9,sep 10,sep 11,sep 15, sep 29, 2010.

All images can be seen from: http://www.xjltp.com/XOSS/XM10AC/XM10AC.htm

C42 Xingming Observatory, Mt. Nanshan. Observers G.Sun,X.Gao ,Measurers G.Sun. 0.35-m f/7.5 Schmidt-Cassegrain telescope and CCD.

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