Possible Supernova PSN J21215870-1351224 in USNOA2 0750-20769751 Narrowfield IR - May 16

Possible Supernova PSN J21215870-1351224 in USNOA2 0750-20769751 Narrowfield IR - May 16, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-west of the nucleus at Mag 19.2 IR
TECHNICAL INFORMATION
Total exposure 90 min (6 x 15 min, infrared filter > 700 nm; binned 2x2, scale 1.01 asec/px)
Time: 2012.5.16.728
Astrometry: RA 21 21 58.76 Dec -13 51 22.0
Photometry: 19.2 +/- 0.1 IR > 700 nm (Jmag as ref)
These data were collected by Joseph Brimacombe using a 41-cm
RCOS and STL6K camera at Coral Towers Observatory, Cairns, Australia.