POSSIBLE NOVA IN M81
Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 19.8) on severl 300-s survey images (limiting mag about 21.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Apr. 14.66925 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=09h55m51.00s +69d02’32”.3 (equinox 2000.0). Which is about 95.6″ east and 82.8″ south of the center of the M81. Nothing is visible at this position on archival images taken on Apr. 09.66934 (limiting mag 21.5).
XM10MZ C2019 04 14.66925 09 55 51.00 +69 02 32.3 19.8 V C42
All images can be seen from: http://www.xjltp.com/XOSS/XM10MZ/XM10MZ.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.