Possible Supernova PSN J01232438+0925545 in NGC 509 Narrowfield R - Oct 4

Possible Supernova PSN J01232438+0925545 in NGC 509 Narrowfield R - Oct 4, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen south-south-west of the nucleus at Mag 16.9 R
DISCOVERY
Unknown: 2012.10.3.190; Mag 15.5
IMAGE AQUISITION
Total exposure 210 min (14 x 15 min, red filter; binned 2x2, scale 0.91 asec/px)
Time: 2012.10.4.406
Astrometry: RA 01 23 24.38 Dec 09 25 53.8
Photometry: Mag 16.9 +/- 0.1 R
NOTES
Bright moonlight.
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.