Possible Supernova PSN J15315765+6814428 in IC 1129 Narrowfield L - June 2

Possible Supernova PSN J15315765+6814428 in IC 1129 Narrowfield L - June 2, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen west-south-west of the nucleus at Mag 17.7 L
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.6.2.421
Astrometry: RA 15 31 57.66 Dec 68 14 42.1
Photometry: 17.7 +/- 0.1 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.