Region around Gamma Cygni in Cygnus in H-alpha
Updated : 29 June 2005.
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CCD : STL11000M ABG 1x1 binning
Exposure time : 380 min H-alpha (10 min individual exposures)
Date and Time : 26. and 27. June 2005
Instrument : Intes PhotoMak @ f/6
Focal length : 900 mm
FWHM :
Filters : Astronomik H-alpha filter
Image processing : sigma clip combine, darks, flats
Problems/comments : Further processing in Maxim (DDP) and Photoshop (levels, curve, contrast). Moon and not very trasparent sky. Daytime temperature 32 degree. Image was done at my backyard, Mol, Belgium