Possible Supernova CSS120430:164142+291159 in an Anonymous Galaxy Narrowfield L - May 31

Possible Supernova CSS120430:164142+291159 in an Anonymous Galaxy Narrowfield L - May 31, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 20.5 L
DISCOVERY
Catalina Real-Time Transient Survey: 2012.4.30; Mag 19.5
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.5.31.339
Astrometry: RA 16 41 42.46 Dec 29 11 58.5 (SN+Host)
Photometry: 20.5 +/- 0.2 L (SN+Host)
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.