Possible Supernova PSN J14182850+3630244 in NGC 5557 Narrowfield C -Nov 21 2013

Possible Supernova PSN J14182850+3630244 in NGC 5557 Narrowfield C - Nov 21 2013, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-east of the nucleus at Mag 15.45 C.
DISCOVERY
Koichi Itagaki: 2013.11.16.830; Mag 15.3 (16/11)
TECHNICAL INFORMATION
Total exposure 30 min (6 x 5 min, clear filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.11.21.496
Photometry: 15.45 +/- 0.20 C (V for ref)
Astrometry: RA 14 18 28.58 Dec +36 30 24.3
These data were collected remotely from New Mexico Skies Observatory, Mayhill, New Mexico, USA, by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia, using a 51-cm RCOS telescope, STXL-6303 camera and PME II mount
FITS file available on request from jbrimaco@bigpond.net.au