POSSIBLE NOVA IN M31
Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.7) on severl 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 03.59476 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.65s +41d11’08”.0 (equinox 2000.0). Which is about 41.4″ west and 300.5″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 01.71958 UT(limiting mag 19.5).
NET UCAC-4
XM04MZ C2018 12 03.59476 00 42 40.65 +41 11 08.0 18.7V C42
All images can be seen from: http://www.xjltp.com/XOSS/XM04MZ/XM04MZ.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.