by Robert Lockwood
Imaged on May 2nd and 3rd 2008 from San Diego County Mountains.
Exposures: Start Time: 1:00
Ha 17 @ 15 min
LRGB 3 ea @ 5 min. Total exposure time, 5 hr 15 min.
Equipment:
TEC 140 @ f/7 980mm
SBIG-ST10XME
FLI- DF-2 Focuser
Astrodon 1.25” LRGB E-Series Filters
Astrodon 1.25“ 6 nm, Ha Filter
Astro-Physics 900 GTO
M57 Ring Nebula
Seldom seen petals of hydrogen gas surrounding a dying star.