Simeis 147 (Sh 2-240) Natural colour representation. Supernova remnant
taken by Lynn Hilborn, WhistleStop Observatory, Grafton, Ontario. Lens-
Tonika f2.6 300mm, camera- FLI ML8300 using Baader narrowband filters.
Ha 11x30minutes 1x1, OIII 11x30minutes 3x3, SII 6x30minutes 2x2. Total
14 hours exposure. Image taken Nov 21, 23, 30 and Dec 02, 2011.