Possible Supernova PSN J11071919+4622462 in MCG+8-20-89 Narrowfield L - Dec 5

Possible Supernova PSN J11071919+4622462 in MCG+8-20-89 Narrowfield L - Dec 5, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south-south-west of the nucleus at Mag 18.2 L
DISCOVERY
Tom Boles: 2012.12.4.168; Mag 17.7
TECHNICAL INFORMATION
Total exposure 105 min (7 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.12.5.419
Astrometry: RA 11 07 19.25 Dec 46 22 45.5
Photometry: 18.19 +/- 0.07 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.