Deep Sky - Maurice Toet
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M20, Trifid Nebula

M20, Trifid Nebula

Exposure time: 90 minutes, R:G:B = 30:30:30 minutes (3 min. subs) | Optics: INTES MK-69 150 mm f/6 | Camera: SBIG ST-8300 | Mount: Astro-Physics Mach1 GTO | SQM: 21.6 magnitude/arcsec² | Location: Étoile-Saint-Cyrice, Hautes-Alpes, France | Date: August 8, 2010.