Possible Supernova PSN J17585034+3400166 in UGC 11076 Narrowfield L -May 12, 2013

Possible Supernova PSN J17585034+3400166 in UGC 11076 Narrowfield L - May 12, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN just seen west-south-west of the nucleus at Mag 19.3 L.
DISCOVERY
Catalina Real-Time Transient Survey plus Stan Howerton: 2013.5.10.390; Mag 19.5
TECHNICAL INFORMATION
Total exposure 120 min (8 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.5.12.240
Astrometry: RA 17 58 50.56 Dec +34 00 17.0
Photometry: 19.26 +/- 0.30 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.
FITS file available on request from jbrimaco@bigpond.net.au