Possible Supernova PSN J18402884+3607174 in PGC 62237 Narrowfield Color - Aug 20

Possible Supernova PSN J18402884+3607174 in PGC 62237 Narrowfield Color - Aug 20, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south-west of the nucleus at Mag 18.1 L
DISCOVERY
Zhijian Xu and Xing Gao: 2012.8.18.81
TECHNICAL INFORMATION
Total exposure 150 min (LRGB 60/30/30/30 min 15 min subs; binned 2x2, scale 0.91 asec/px)
Time: 2012.8.20.206
Astrometry: RA 18 40 28.92 Dec 36 07 16.6
Photometry: 18.1 +/- 0.2 L
These data were collected remotely using a 51-cm
RCOS and STL11K camera at New Mexico Skies, Mayhill, New
Mexico by Joseph Brimacombe, Coral Towers Observatory,
Cairns, Australia.