Possible Supernova PSN J11532132+2044100 in NGC 3947 Narrowfield L - Jan 9

Possible Supernova PSN J11532132+2044100 in NGC 3947 Narrowfield L - Jan 9, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen east of the nucleus at Mag 15.6 L
DISCOVERY
Catalina Real-Time Transient Survey: Mag 15.0
TECHNICAL INFORMATION
Total exposure 26 min (52 x 0.5 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.1.9.399
Astrometry: RA 11 53 21.41 Dec +20 45 07.9
Photometry: 15.56 +/- 0.17 L (V as ref)
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.