Possible Supernova PSN J17481875+5218023 in USNOA2 1350-09357230 Narrowfield L - June 30

Possible Supernova PSN J17481875+5218023 in USNOA2 1350-09357230 Narrowfield L - June 30, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen east-south-east of the nucleus at Mag 18.1 L
DISCOVERY
F Ciabattari, E Mazzoni and G Petroni (ISSP): 2012.6.27.890; Mag 18.6
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.6.30.370
Astrometry: RA 17 48 18.69 Dec 52 18 02.3
Photometry: 18.2 +/- 0.1 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.