M 17 in Sagittarius
Updated : 22 March 2008.
- CCD : STL11000 ABG
- Exposure time : 30:30:30 min RGB (10 min individual images 1x1 binned)
- Date and Time : 17. June 2007
- Instrument : 50cm @ f/3
- Focal length : 1500 mm
- FWHM : about 2 arcsec
- Filters : Astronomik RGB filters
- Image processing : Imageplus (RGB, DDP) and Photoshop (Shadow/Highlights, Levels, curves)
- Problems/comments : Imaged at IAS observatory, Farm Hakos, Namibia.
