Possible Supernova PSN J12393328+1525520 in IC 3622 Narrowfield R - Feb 24

Possible Supernova PSN J12393328+1525520 in IC 3622 Narrowfield R - Feb 24, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen east-south-east of the nucleus at Mag 18.3 R.
DISCOVERY
THU-NAOC Transient Survey (TNTS): 2013.2.22.780; Mag 19.4
TECHNICAL INFORMATION
Total exposure 150 min (10 x 15 min, red filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.2.24.466
Astrometry: RA 12 39 33.27 Dec +15 25 52.2
Photometry: 18.33 +/- 0.15 R (R for 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.