Possible Supernova PSN J10015683+5541440 in NGC 3079 Narrowfield L -July 14, 2013

Possible Supernova PSN J10015683+5541440 in NGC 3079 Narrowfield L - July 14, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-north-west of the nucleus at Mag 15.1 L. Probably brightening.
DISCOVERY
Giancarlo Cortini: 2013.7.13.860; Mag 15.5
TECHNICAL INFORMATION
Total exposure 19.5 min (26 x 0.75 min, luminance. filter; binned 3x3, scale 1.37 asec/px)
Time: 2013.7.14.216
Photometry: Mag 15.07 +/- 0.23 L (V for ref)
Astrometry: RA 10 01 56.70 Dec +55 41 44.3
These data were collected remotely at New Mexico Skies, Mayhill, New Mexico by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia, using a 51-cm RCOS and STL11K
FITS file available on request from jbrimaco@bigpond.net.au