NGC 6888, Crescent Nebula
Exposure time: 70 minutes (7x 600s)
Processing: Nebulosity (
pre-processing, stacking & DDP)
; Adobe Photoshop CS4 (
post-processing)
Lens/telescope:
INTES 150 mm (6") MK-69 at f/6
Camera: QHY8 one-shot colour CCD
Mount: Astro-Physics Mach1 GTO
Guidescope: Vixen 70/400 mm + ST-4
Location:
Etoile St. Cyrice, Hautes-Alpes, France
Date: August 23 - 24, 2009
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