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CCD : STL11000M ABG 1x1 binning
Exposure time : 30:30:30:30 min LRGB (10 min individual exposures)
Date and Time : 13.08.2004
Instrument : Takahashi FSQ 106 f/5
Focal length : 530 mm
FWHM :
Filters : Astronomik LRGB filters
Image processing : average combine, darks, flat
Problems/comments : Further processing in Imageplus (LRGB combine, DDP) and Photoshop (H-alpha blending. Huge
H-alpha region with NGC6231 as the brightest open cluster to the right. Several other open clusters are in the field of view.