M57 - The Ring Nebula - Planetary Nebula in Lyra
by Bob and Janice Fera
Parallax Instruments 12.5" f/9 Ritchey Chretien
SBIG ST-10XE
Astrodon LRGB and 6nm Ha filters
LHaRGB composite (120:540:45:45:45 min -- 13.25 hours total) processed in CCDops, MaxIm/DL (with RC-Astro plug-in), Gralak Sigma, AIP4WIN, PixInsight LE and Adobe Photoshop
Taken May 31-June 3, 2005 from the still-under-construction Eagle Ridge Observatory, Foresthill, CA