星明天文台

国内外享有盛誉的业余天文台,在这里汇聚了众多的顶尖爱好者。我们致力于彗星,小行星,超新星,新星等各类新天体的发现。

POSSIBLE NOVA IN M31 – XM05MZ

POSSIBLE NOVA IN M31

Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.2) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 17.55177 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m42.41s +41d19’41”.1 (equinox 2000.0). Which is about 21.5″ west and 212.6″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 16.57347 UT(limiting mag 20.0).
NET UCAC-4
XM05MZ C2018 12 17.55177 00 42 42.41 +41 19 41.1 18.2V C42
All images can be seen from: http://www.xjltp.com/XOSS/XM05MZ/XM05MZ.htm
C42,Xingming Observatory – NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.

————————–

Discovery Image taken by C42 on Dec. 17.55177 UT,2018 Archival image PS image

 

发表评论

必填项已用*标注