Possible Supernova PSN J21290494-4146297 in ESO 342-052 Narrowfield IR - June 5

Possible Supernova PSN J21290494-4146297 in ESO 342-052 Narrowfield IR - June 5, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-west of the nucleus at Mag 18.8 IR. Difficult measurement
TECHNICAL INFORMATION
Total exposure 210 min (14 x 15 min, infrared filter > 700 nm; binned 2x2, scale 1.01 asec/px)
Time: 2012.6.5.708
Astrometry: RA 21 29 04.98 Dec -41 46 29.0
Photometry: 18.8 +/- 1.0 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.