Possible Supernova MLS130531:100208+115705 in CGCG 064-031 / PGC1401377 Narrowfield L - June 5, 2013

Possible Supernova MLS130531:100208+115705 in CGCG 064-031 / PGC 1401377 Narrowfield L - June 5, 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south-west of the nucleus at Mag 19.3 L.
DISCOVERY
Catalina Real-Time Transient Survey: 2013.5.31; Mag 17.7
TECHNICAL INFORMATION
Total exposure 40 min (80 x 0.5 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.6.5.187
Astrometry: RA 10 02 07.92 Dec +11 57 06.0
Photometry: Mag 19.34 +/- 0.33 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