Possible Supernova PSN J12355376-0151194 in UGC 7763 Narrowfield L - May 9, 2013

Possible Supernova PSN J12355376-0151194 in UGC 7763 Narrowfield L - May 9, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen west-south-west of the nucleus at Mag 17.8 L.
DISCOVERY
Catalina Real-Time Transient Survey plus Stan Howerton: 2013.5.7.190; Mag 18.6
TECHNICAL INFORMATION
Total exposure 105 min (7 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.5.9.226
Astrometry: RA 12 35 53.80 Dec -01 51 20.0
Photometry: 17.77 +/- 0.06 L (V for ref)
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.
FITS file available on request from jbrimaco@bigpond.net.au