POSSIBLE SUPERNOVA IN NGC 383

Xiaobing Wang, Ziyi Zhao, Jiangao Ruan and Xing Gao report the discovery of a possible supernova in NGC 383. The transient (mag approximately 18.0) on one 40-s survey image (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 18.68440, 2017, using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=01h07m33.06s +32d24'30".0 (equinox 2000.0). Which is about 102.6" east and 15.2" south of the center of the NGC 383. Nothing is visible at this position on archival image taken on Sep 22.75464, 2017 (limiting mag 19.5).
All images can be seen from:
http://www.xjltp.com/XOSS/PSP17E/PSP17E.htm

NET USNO-B1.0
PSP17E C2017 10 18.68440 01 07 33.06 +32 24 30.0 18.0 V C42


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Discovery image taken by C42 on Oct.18.68440 UT,2017

Confirm image taken by C42 on Oct.18.73287 UT,2017

DSS IMAGE

Archival images taken by C42 on Sep.22 UT,2017