谭瀚杰于2011年10月3日0时0分在10月2日M31系外新星适时搜索中发现M31 A11核心区中一18等可疑新星.2时21分由高兴上报TOCP,27分由谭瀚杰上报Green和bishop.
POSSIBLE NOVA IN M31
Hanjie Tan(Guangzhou, Guangdong, China) and Xing Gao (Urumqi, Xinjiang, China), report the discovery of a possible nova (mag approximately 18.2) on a several 60-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 02.60330 UT using a unfiltered CCD ( + Celestron C14 Schmidt- Cassegrain telescope D=356-mm @f/6.9 ). the new object approximately located at R.A.=00h42m57s.01 Decl.=+41°17’09”.5 (equinox 2000.0), which is 143.1″ west and 61″ north from the center of the galaxy M31. Nothing is visible at this position on archival images taken on Sep. 30 (limiting mag 19.5). All images can be seen from: http://www.xjltp.com/XOSS/XM04HT/XM04HT.htm
NET USNO-B1.0
XM04HT C2011 10 02.60330 00 42 57.01 +41 17 09.5 18.2 R C42
XM04HT C2011 10 02.60885 00 42 57.02 +41 17 10.7 18.9 R C42
XM04HT C2011 10 02.76155 00 42 57.09 +41 17 11.3 17.5 R C42
C42 Xingming Observatory, Mt. Nanshan. Observers H.Tan, X.Gao, Measurers H.Tan. 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.