Possible Supernova PSN J12015272-1852183 in NGC 4038 Narrowfield IR -June 25, 2013

Possible Supernova PSN J12015272-1852183 in NGC 4038 Narrowfield IR - June 25, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south of the nucleus at Mag 16.55 IR. Brightened by 0.05 Mag in 24 hours.
DISCOVERY
Unknown: 2013.6.22.120; Mag 15.8
TECHNICAL INFORMATION
Total exposure 64 min (32 x 2 min, infrared filter; binned 2x2, scale 1.01 asec/px)
Time: 2013.6.25.432
Photometry: Mag 16.55 +/- 0.16 IR > 700 nm (R for ref)
Astrometry: RA 12 01 52.73 Dec -18 52 17.5
These data were collected by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia, using a 41-cm RCOS and STL6K camera.
FITS file available on request from jbrimaco@bigpond.net.au