Digital Photography - Deep Sky - Maurice Toet
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NGC 2903

NGC 2903

Exposure time: 3 hours, 15 minutes, L:R:G:B = 105:30:30:30 minutes (15 min. L and 5 min. RGB subs) | Optics: INTES MK-69 150 mm f/6 | Camera: SBIG ST-8300 | Mount: Astro-Physics Mach1 GTO | SQM: 21.5 magnitude/arcsec² | Location: Étoile-Saint-Cyrice, Hautes-Alpes, France | Date: March 8, 2011.