POSSIBLE NOVA IN M31

Jiangao Ruan and Xing Gao, report the discovery of a possible nova (mag approximately 18.8) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 13.57985 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m19.99s +41d13’22”.5 (equinox 2000.0). Which is about 274.3″ west and 166″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 11.59387 (limiting mag 19.5).

NET UCAC-4
XM363JR C2019 03 13.57985 00 42 19.99 +41 13 22.5 18.8 V C42

All images can be seen from: http://www.xjltp.com/XOSS/XM363JR/XM363JR.htm
C42,Xingming Observatory – NEXT, Mt. Nanshan. Observers Jiangao Ruan, X.Gao, Measurers Jiangao Ruan, 0.6-m f/8 Ritchey-Chretien telescope and CCD.

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