POSSIBLE NOVA IN M31
Xinyu Jiang, Guoyou Sun, Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.4) on several 40s survey
images (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 16.64736 UT using a unfiltered CCD ( +Celestron C14 SchmidtCassegrain telescope D=356mm @f/6.9 ). The transient approximately located at R.A.=00h42m20.50s +41d14’59”.9(equinox 2000.0).Which is about 268.6″ west and 68.6″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 13.52853 UT(limiting mag 19.0).
PSP19G C2019 12 16.64736 00 42 20.50 +41 14 59.9 17.4 V C42
All images can be seen from: http://xjltp.china-vo.org/PSP19G.html
C42, Xingming Observatory, Mt. Nanshan. Observers Xinyu Jiang，Guoyou Sun, Mi Zhang and Xing Gao Measurer M.Zhang 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.
Discovery Image – PSP taken by C42 on Dec. 12.64736 UT, 2019
Archival Image – PSP
Confirm Image – NEXT
Archival Image – NEXT