Guoyou Sun(Wenzhou, Zhejiang, China) and Xing Gao (Urumqi, Xinjiang, China)report the discovery of a possible nova (mag approximately 14.5) on several 40-s survey images (limiting mag about 19.0)taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct 27.64362 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=21h58m18s.52 Decl.=+24<19'24".6 (equinox 2000.0). Nothing is visible at this position on archival images taken on Oct.14 (limiting mag 19) and on the DSS(POSS2/UKSTU Red) from Oct. 11,1990(limiting mag about 19.8).


XM04GS C2011 10 27.64362 21 58 18.52 +24 19 24.6 14.5 V C42

All images can be seen from: http://www.xjltp.com/XOSS/XM04GS/XM04GS.htm

C42 Xingming Observatory, Mt. Nanshan. Observers G.Sun,X.Gao ,Measurers G.Sun. 0.356-m f/6.9 Schmidt-Cassegrain telescope and CCD.




 Discovery image taken by C42 on Oct.27.64362 UT,2011LM=19.0,40S

             DSS IMAGE


archival image taken on Oct. 14