Possible Supernova MLS120316:110638+023644 in an anonymous galaxy Narrowfield L - April 18

Possible Supernova MLS120316:110638+023644 in an anonymous galaxy Narrowfield L - April 18, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen at Mag 20.1 L, but measurements include light from faint anonymous host seen on DSS2 image
TECHNICAL INFORMATION
Total exposure 60 min (4 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.4.18.232
Astrometry: RA 11 06 38.44 Dec 02 36 44.9
Photometry: 20.1 +/- 0.3 L
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.