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POSSIBLE NOVA IN M31 – XN01JR

Jiangao Ruan and Xing Gao, report the discovery of a possible nova (mag approximately 17.7) on several 120-s survey image (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #2 (N89) around Nov. 03.58185 UT using a unfiltered CCD ( 0.5m f/4 reflector ). The transient approximately located at R.A.=00h42m57.71s +41d08’12″ .5 (equinox 2000.0). Which is about 151.0″ east and 476″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Nov. 02.57248 (limiting mag 19.5). Possible the recurrent nova M31 1963-09c (=1968-09a) (=2001-07b) (=2010-10e) (=2015-10c). Images can be found at: http://xjltp.china-vo.org/xn01jr.html

NET USNO-B1.0
XN01JR C2020 11 03.58185 00 42 57.71 +41 08 12.5 17.7 V N89

Discovery image taken by N89 on Nov. 03.58185 UTC,2020 Archival image taken by N89 on Nov. 02.57248 UTC,2020 PS Image

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