Possible Supernova PSN J12015272-1852183 in NGC 4038 Narrowfield IR -June 24

Possible Supernova PSN J12015272-1852183 in NGC 4038 Narrowfield IR - June 24, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south of the nucleus at Mag 16.6 IR.
DISCOVERY
Unknown: 2013.6.22.120; Mag 15.8
TECHNICAL INFORMATION
Total exposure 44 min (22 x 2 min, infrared filter; binned 2x2, scale 1.01 asec/px)
Time: 2013.6.24.504
Photometry: Mag 16.60 +/- 0.17 IR > 700 nm (R for ref)
Astrometry: RA 12 01 52.72 Dec -18 52 18.0
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