NGC 6888; Crescent Nebula in HaHa(HaR)GB

NGC 6888; Crescent Nebula in HaHa(HaR)GB
Date: June 26, 27, and 28, 2011 (RGB), and June 6,7, and 8, 2013 (Ha)
Exposure: 3 hours 45 min (45x 5 min), ISO 1600, 16 Darks, 20 Bias, and 20 Flats (RGB),
and 6 hours (18x 20 min), ISO800, 12 Darks, 30 Flat darks, and 30 Flats (Ha)
Telescope: 8" Skywatcher Newton @F/5 with MPCC and Baader 7 nm Ha-filter
Mount: NEQ6-pro, controled by EQmod/CdC, guided by QHY5/9x50 Finder Guider/PHD
Camera: Peltier-cooled Canon 350Da
Location: Emmen, The Netherlands