M57
The
Ring Nebula
M57
- The Ring Nebula in Lyra
by
Bob Fera and Richard Fletcher
Parallax
Instruments 12.5" f/9 Ritchey Chretien
SBIG
ST-10E
10x2-minute
L, 2x5-minute R, 2x5-minute G and 3x5-minute B exposures processed
in MaxIm/DL, CCDSharp and Adobe Photoshop
Taken
May 18, 2002 from Mt. Pinos, CA