Possible Supernova CSS130501:100039+104524 in an Anonymous GalaxyNarrowfield L - May 3

Possible Supernova CSS130501:100039+104524 in an Anonymous Galaxy Narrowfield L - May 3, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 18.85 L. Measurements include light from anonymous host
DISCOVERY
Catalina Real-Time Transient Survey: 2013.5.1; Mag 19.14
TECHNICAL INFORMATION
Total exposure 45 min (3 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.5.3.255
Astrometry: RA 10 00 39.35 Dec +10 45 23.8
Photometry: 18.85 +/- 0.16 L (V as 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