Possible Supernova PSN J12211796+1130252 in NGC 4294 Narrowfield L -Feb 13, 2013

Possible Supernova PSN J12211796+1130252 in NGC 4294 Narrowfield L - Feb 13, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south of the nucleus at Mag 17.6 L.
DISCOVERY
Alessandro Dimai (ISSP): 2013.2.8.116; Mag 16.4
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance. filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.2.13.378
Astrometry: RA 12 21 17.84 Dec +11 30 27.3
Photometry: 17.60 +/- 0.41
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.