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张宓 XM02MZ = PNV J09553607+6902141 ? 河外新星

POSSIBLE NOVA IN M81

Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 20.8) on severl 300-s survey images (limiting mag about 21.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 06.63007 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=09h55m36.07s +69d02’14”.1 (equinox 2000.0). Which is about 15.6″ east and 100.9″ south of the center of the M81. Nothing is visible at this position on archival images taken on Mar. 04.58642 (limiting mag 21.0).

NET UCAC-4
XM02MZ C2018 03 06.63007 09 55 36.07 +69 02 14.1 20.8 V C42

All images can be seen from: http://www.xjltp.com/XOSS/XM02MZ/XM02MZ.htm
C42,Xingming Observatory – NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.

https://www.wis-tns.org/object/2018aba

http://www.cbat.eps.harvard.edu/unconf/followups/J09553607+6902141.html

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