Digital Photography - Deep Sky - Maurice Toet
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M57, Ring Nebula

M57, Ring Nebula

Exposure time: 3 hours (20 min. 7 nm H-alpha subs) | Optics: Vixen VMC260 f/7.1 | Camera: SBIG ST-8300 | Mount: Astro-Physics Mach1 GTO | Location: Zoetermeer, Netherlands | Date: May 20, 2010.