NGC 6357 in Scorpius
Updated : 2 July 2007.
- CCD : STL11000 ABG
- Exposure time : 150 min Ha (15 min individual images 1x1 binned)
- Date and Time : 22. and 23. June 2007
- Instrument : 50cm @ f/3
- Focal length : 1500 mm
- FWHM : about 2 arcsec
- Filters : Astronomik 6nm Ha filters
- Image processing : Imageplus (Saturation, DDP) and Photoshop (Levels, curves)
- Problems/comments : Imaged at IAS observatory, Farm Hakos, Namibia.
