Possible Supernova PSN J21593422-2639546 in ESO 532-7 Narrowfield L - Nov 28

Possible Supernova PSN J21593422-2639546 in ESO 532-7 Narrowfield L - Nov 28, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
Technical information:
Total exposure 40 min (4 x 10 min, luminance filter; binned 3x3, scale 1.37 asec/px)
Time: 2011.11.28.136
Astrometry: RA 21 59 34.19 Dec -26 39 54.5
Photometry: 17.0 +/- 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.