Supernova SN 2012dn in ESO 462-16 Narrowfield L - July 18

Supernova SN 2012dn in ESO 462-16 Narrowfield L - July 18, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen west of the nucleus at Mag 14.3 L - brightening.
DISCOVERY
Stuart Parker, BOSS: 2012.7.9.910; Mag 16.3
TECHNICAL INFORMATION
Total exposure 30 min (2 x 15 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.7.18.367
Astrometry: RA 20 23 36.23 Dec -28 16 42.6
Photometry: 14.3 +/- 0.1 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.