Possible Supernova PSN J00563888-0954091 in NGC 309 Narrowfield L - July 20

Possible Supernova PSN J00563888-0954091 in NGC 309 Narrowfield L - July 20, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-west of the nucleus at Mag 18.0 +/- 0.2 L
DISCOVERY
Stuart Parker, BOSS: 2012.7.17.54; Mag 18.1
TECHNICAL INFORMATION
Total exposure 105 min (5 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.7.20.425
Astrometry: RA 00 56 38.85 Dec -09 54 09.3
Photometry: 18.0 +/- 0.2 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.