Possible Supernova PSN J12571479-1724005 in PGC 44257 Narrowfield L - Dec 28

Possible Supernova PSN J12571479-1724005 in PGC 44257 Narrowfield L - Dec 28, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
Technical information:
Total exposure 50 min (5 x 10 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2011.12.28.521
Astrometry: RA 12 57 14.85 Dec -17 24 00.4
Photometry: 17.6 +/- 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.