By: Bill Pearce
Backyard Observatory, Canfield, Ohio USA (41.01 N, 80.45 W)
M57 Imaged on 06.16.09 0500 UT
Meade 10" LX200 / Meade DSI @ƒ3.3 (Meade ƒ:3.3 Focal Reducer)
Twenty 20 Second exposures
Stacked using Nebulosity and fine tuned using Photoshop CS2.
Gain= 63
Offset=117
No Nebular Filter Used / DSI IR filter removed