Possible Supernova PSN J19243815+5941471 in PGC 2593277 Narrowfield L - July 4

Possible Supernova PSN J19243815+5941471 in PGC 2593277 Narrowfield L - July 4, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen east-north-east of the nucleus at Mag 16.5 L.
DISCOVERY
F. Ciabattari, E. Mazzoni, M. Rossi and S. Donati (ISSP): 2013.6.30.990; Mag 16.7
TECHNICAL INFORMATION
Total exposure 45 min (3 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.7.4.407
Photometry: Mag 16.50 +/- 0.15 L (V for ref)
Astrometry: RA 19 24 38.24 Dec +59 41 45.3
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