M16, Eagle Nebula
Exposure time: 90 minutes (6x 900s)
Processing: Nebulosity (pre-processing, stacking & DDP); Adobe Photoshop CS2 (post-processing)
Lens/telescope:
INTES 150 mm (6") MK-69 at f/6
with
Baader H-alpha 7 nm narrowband filter
Camera: QHY8 one-shot colour CCD (Gain: 0, Offset: 115)
Mount: Astro-Physics Mach1 GTO
Guidescope: Vixen 70/400 mm + ST-4
Location: Zoetermeer, The Netherlands
Date: July 25 - 26, 2009
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