金彰伟 XM19ZJ ? 河外新星

在2月26日晚即时拍摄的M31图片中发现一颗暗弱的新星,随后补拍时已经有所增亮,立刻拟文上报。27日再拍摄时该新星又增亮0.5个星等。
POSSIBLE NOVA IN M31
Zhangwei Jin(Ningbo, Zhejiang, China) and Xing Gao (Urumqi, Xinjiang, China),report the discovery of a possible nova (mag approximately 18.5) on several 60-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Feb. 26.56029 UT using a unfilled CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). the new object approximately located at R.A.=00h44m07s.05 Decl.=+41°17’10”.8 (equinox 2000.0). Which is about 933″ east and 62″ north of center of the NGC224.
Nothing is visible at this position on archival images taken on Feb 25.56044 (limiting mag 19.5) or Feb 23.55634 (limiting mag 19.5).

NET UCAC-3
XM19ZJ   C2011 02 26.56029 00 44 07.05 +41 17 10.8          18.5 V      C42
XM19ZJ   C2011 02 26.59544 00 44 07.02 +41 17 10.7          18.2 V      C42
NET USNO-A2.0
XM19ZJ   C2011 02 27.56090 00 44 07.02 +41 17 10.7          17.7 V      C42
All images can be seen from:  http://www.xjltp.com/XOSS/XM19ZJ/XM19ZJ.htm
C42 Xingming Observatory, Mt. Nanshan. Observers Z.Jin,X.Gao ,Measurers Z.Jin. 0.356-m f/6.9 Schmidt-Cassegrain telescope and CCD.

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