Possible Supernova MASTER J123647.53+382036.9 in an Anonymous Galaxy Narrowfield L - May 18

Possible Supernova MASTER J123647.53+382036.9 in an Anonymous Galaxy Narrowfield L - May 18, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 19.5 L. Measurements include light from faint anonymous host seen on DSS2 image
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.5.18.259
Astrometry: RA 12 36 47.46 Dec 38 20 37.7 (SN+Host)
Photometry: 19.5 +/- 0.1 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.