M
31, Andromeda Galaxy
Exposure time: 65 minutes (5x 120s + 5x 300s + 3x 600s)
Processing: Nebulosity (
pre-processing, stacking & DDP)
; Adobe Photoshop CS4 (
post-processing)
Lens/telescope:
Takahashi FSQ-106ED (4.2") quadruplet ED refractor at f/5
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 26 - 27, 2009
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