Possible Supernova CSS120515:150239+191451 Narrowfield L - June 9

Possible Supernova CSS120515:150239+191451 Narrowfield L - June 9, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 20.0 L. Measurements include light from assumed host not seen on DSS2 image
DISCOVERY
Catalina Real-Time Transient Survey: 2012.5.15; Mag 18.7
TECHNICAL INFORMATION
Total exposure 75 min (5 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.6.9.274
Astrometry: RA 15 02 38.70 Dec 19 14 51.7
Photometry: 20.0 +/- 0.2 L
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.