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POSSIBLE NOVA IN M31 – XM58MZ

Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 18.4) on several 300-s survey image (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Sep. 18.60802 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m41.23s +41d14’32”.2 (equinox 2000.0). Which is about 34.8″ west and 96.3″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 17.96072 (limiting mag 19.0) . Images can be found at: http://xjltp.china-vo.org/xm58mz.html

NET Gaia DR2
XM58MZ C2021 09 18.60802 00 42 41.23 +41 14 32.2 18.4 G N88

Discovery image taken by N88 on Sep. 18.60802 UTC,2021 Archival image taken by N88 on Sep. 17.96072 UTC,2021 Follow-up image taken by N88 on Sep. 17.63905 UT,2021 PS Image

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