POSSIBLE NOVA IN M31Jiangao Ruan(Fangchenggang, Guangxi, China) and Xing Gao (Urumqi, Xinjiang, China)，report the discovery of a possible nova (mag approximately 17.2) on one 60-s survey images (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 15.52764 UT using a unfilled CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). the new object approximately located at R.A.=00h42m56s.66 Decl.=+41°17’21”.3 (equinox 2000.0). Which is about 139″ east and 73″ north of center of the NGC224.Nothing is visible at this position on archival images taken on Dec. 13(limiting mag 19.0) and Dec. 14 (limiting mag 19.0).
All images can be seen from: http://www.xjltp.com/XOSS/XM08JR/XM08JR.htm
NET USNO-A2.0
XM08JR C2010 12 15.52764 00 42 56.66 +41 17 21.3 17.2 V C42
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C42 Xingming Observatory, Mt. Nanshan. Observers J.Ruan,X.Gao ,Measurers J.Ruan. 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.
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Discovery image taken by C42 on Dec. 15.52764（LM=19.0,60S）
archival images taken on Dec.14 Dec.13