NGC 7635 (Bubble Nebula) in Cassiopeia
Updated : 08 November 2005.
Click on image to get larger size image.
- CCD : STL11000 ABG
- Exposure time : 60 and 75 min (15 min individual images)
- Date and Time : 07. and 08. November 2005
- Instrument : 40cm @ f/8
- Focal length : 3260 mm
- FWHM : about 3 arcsec
- Filters : AStronomik 6nm H-alpha filter
- Image processing : Imageplus (DDP, Star size, Noise reduction Lucy Richardson) and Photoshop (color action)
- Problems/comments : After collimation of the 40cm scope the first image. Imaged at my backyard, Mol, Belgium.