Reference：TNS ，TOCP，ATEL 13566
Found in IC 1222 at R.A. = 16h35m06s.760, Decl. = +46°12’53”.80
Located 25″.2 west and 3″.7 north of the center of IC 1222 (Discovery page)
Type: Ia 91T/99aa-like
Discovered 2020/03/16.913 by Guoyou Sun and Xing Gao.
POSSIBLE SUPERNOVA IN IC1222
Guoyou Sun and Xing Gao, report the discovery of a possible supernova (mag approximately 17.7) on several 40-s survey images (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 16.91339 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The transient approximately located at R.A.=16h35m06.76s +46d12’53”.8 (equinox 2000.0). Which is about 25.2″ west and 3.7″ north of the center of the IC1222. Nothing is visible at this position on archival images taken on Sep. 20.63730 UT, 2019(limiting mag 19.0).
NET UCAC-4
XMPGS1 C2020 03 16.91339 16 35 06.76 +46 12 53.8 17.7 V C42
All images can be seen from: http://xjltp.china-vo.org/XMPGS1.html
C42, Xingming Observatory, Mt. Nanshan. Observers Guoyou Sun and Xing Gao Measurer G.Sun 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.
PSN J16350676+4612538
http://www.cbat.eps.harvard.edu/unconf/followups/J16350676+4612538.html
AT 2020enm
https://www.wis-tns.org/search?name=2020enm
