Possible Supernova PSN J10154058-3407131 in USNOA2 0525-12887626 Narrowfield R - May 20

Possible Supernova PSN J10154058-3407131 in USNOA2 0525-12887626 Narrowfield R - May 20, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
Non-detection: host (Mag 17.2 R; USNOA2) seems similar shape/brightness/position
to DSS2 image.
TECHNICAL INFORMATION
Total exposure 30 min (3 x 10 min, red filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.5.20.141
Astrometry: Discovery position marked
Photometry: Not done
These data were collected remotely using a 51-cm
RCOS and STL11K camera at New Mexico Skies, Mayhill, New
Mexico by Joseph Brimacombe, Coral Towers Observatory,
Cairns, Australia.