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张宓 XM41MZ = AT 2020xyv * M31河外新星

Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 16.9) on several 300-s survey image (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 22.55024 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m37.33s +41d20’51”.9 (equinox 2000.0). Which is about 78.8″ west and 283.4″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 21.55558 (limiting mag 20.5) . Images can be found at: http://xjltp.china-vo.org/xm41mz.html

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