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POSSIBLE NOVA IN M31 – XM50MZ

Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 16.8) on several 120-s survey image (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #2 (N89) around Feb. 03.58014, 2021 UTC using a unfiltered CCD ( 0.5-m f/4 reflector ). The transient approximately located at R.A.=00h43m46.45s +41d33’40”.8 (equinox 2000.0). Which is about 700.5″ east and 1052.3″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Feb. 01.57521, 2021 (limiting mag 18.5) . Images can be found at: http://xjltp.china-vo.org/xm50mz.html

NET UCAC-4
XM50MZ C2021 02 03.58014 00 43 46.45 +41 33 40.8 16.8 CV N89

Discovery image taken by N89 on Feb. 03.58014 UTC,2021 Archival image taken by N89 on Feb. 01.57521 UTC,2021
Confirm image taken by N88 on Feb. 03.60388 UT,2021 PS Image

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