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张宓 XM15MZ = AT 2019qcg 已知目标

POSSIBLE NOVA IN M31

Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 16.7) on severl 120-s survey images (limiting mag about 18.5) taken by Xing Gao in Xingming Observatory Sky Survey (XXX) around Sep. 14.66127 UT using a unfiltered CCD ( + 0.5-m f/4 reflector + CCD ). The transient approximately located at R.A.=00h42m42.31s +41d17’45”.6 (equinox 2000.0). Which is about 22.7″ west and 97.1″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 12.65343 UT(limiting mag 19.0).
NET USNO-A2.0
XM15MZ C2019 09 14.66127 00 42 42.31 +41 17 45.6 16.7 V XXX

COD XXX
COM Long. 88 34 37.9 E, Lat. 43 31 20.6 N, Alt. 1795m
CON Gaoyazi Observatory, Urumqi, Xinjiang, China

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