Possible Supernova PSN J16412717+5747050 in NGC 6211 Narrowfield L -May 31

Possible Supernova PSN J16412717+5747050 in NGC 6211 Narrowfield L - May 31, a photo by Joseph Brimacombe on Flickr.

Via Flickr:
SUMMARY
SN seen north-west of the nucleus at Mag 17.2 L.
DISCOVERY
L Cox, Jack Newton, and Tim Puckett: 2013.5.29.357; Mag 16.9
TECHNICAL INFORMATION
Total exposure 40 min (4 x 10 min, luminance filter; binned 2x2, scale 0.91 asec/px)
Time: 2013.5.31.417
Astrometry: RA 16 41 27.20 Dec +57 47 04.9
Photometry: 17.16 +/- 0.21 L (V for ref)
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.
FITS file available on request from jbrimaco@bigpond.net.au