Possible Supernova PSN J12472930-4319443 in NGC 4681 Narrowfield IR - Dec 20

Possible Supernova PSN J12472930-4319443 in NGC 4681 Narrowfield IR - Dec 20, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-north-east of the nucleus at Mag 16.97 IR
DISCOVERY
Unknown: 2012.12.16.320; Mag 16.1
TECHNICAL INFORMATION
Total exposure 75 min (5 x 15min, infrared filter > 700 nm; binned 2x2, scale 1.01 asec/px)
Time: 2012.12.20.744
Astrometry: RA 12 47 29.28 Dec -43 19 44.0
Photometry: 16.93 +/- 0.12 IR > 700 nm (R as ref)
These data were collected by Joseph Brimacombe using a 41-cm
RCOS and STL6K camera at Coral Towers Observatory, Cairns, Australia.