by Lynn Hilborn
Eastern Veil NGC 6992 (part of the Cygnus Loop) in narrow band. 12 hours
of exposure, 4 hours each OIII, Ha, SII as RGB. Bin 1x1 with FLI ML8300
camera and TEC140 @f5.6.
Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario...July 15,21,26,2011.