Possible Supernova MASTER J233834.36+700148.9 Narrowfield L - Sept 17

Possible Supernova MASTER J233834.36+700148.9 Narrowfield L - Sept 17, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 19.7 L. Measurements include light from assumed host not seen on DSS2 image
DISCOVERY
MASTER Robotic Net: 2012.9.11.730; Mag 18.5
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.9.17.224
Astrometry: RA 23 38 34.35 Dec 70 01 49.0
Photometry: 19.7 +/- 0.4 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.