The Ring Nebula (M57)
in Lyra
NII-Ha-OIII

Date: Aug 11, 2007 & May 14, 2009
Instrument: Celestron C14 w/Astro-Physics 1200 Mount
Imaged with SBIG STL-11K Camera
Exposure:
NII: 100 Min 2X2 Bin -15C
H-alpha: 240 Min 2X2 Bin -10C
OIII: 120 Min 2X2 Bin -15C
Guiding: AOL, MOAG, STL-Remote
Processed in MaximDL, Images Plus, Picture Window Pro and Photoshop CS
Location: My Dark Sky Site in Highland County, Ohio

Object Data:
Visual Magnitude: 8.8
Distance From Earth: 2300 Light Years
Size of Object: 2.4 Light Years Across