M 20 in Sagittarius
Updated : 22 April 2009.
- CCD : STL11000 ABG
- Exposure time : 20:20:20 min RGB (10 min individual images 1x1 binned)
- Date and Time : 2. August 2008
- Instrument : 50cm @ f/9.5
- Focal length : 4750 mm
- FWHM : 1.75 - 2.0 arcsec
- Filters : Astronomik L filters
- Image processing : Processed by Karel Teuwen
- Problems/comments : Imaged at IAS observatory, Farm Hakos, Namibia.
