POSSIBLE SUPERNOVA IN NGC 3304

Jiarui Xiong, Jiangao Ruan, Zhijian Xu and Xing Gao, report the discovery of a possible supernova in NGC 3304. The transient (mag approximately 18.6) on one 40-s survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jan. 30.92084, 2019, using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=10h37m38.36s +37d27'29".7 (equinox 2000.0). Which is about 6.0" east and 9.2" north of the center of the NGC 3304. Nothing is visible at this position on archival image taken on Jan. 13.85413, 2019 (limiting mag 19.0).

All images can be seen from:http://www.xjltp.com/XOSS/PSP19A/PSP19A.htm.

NET UCAC-4

PSP19A C2019 01 30.92084 10 37 38.36 +37 27 29.7 18.6 V C42


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Discovery image taken by C42 on Jan. 30.92084 UT,2019

Archival images

PS images