NGC7635 region in Cassiopeia

Updated : 10 September 2004.

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n7635_270-sigclpHa_DDP_IP_DDP_M4_PS_NI.jpg (1000 kB)
  • CCD : STL11000M ABG 1x1 binning
  • Exposure time : 4h 30min H-a (15min individual frames)
  • Date and Time : 28.07.2004
  • Instrument : FSQ 106 f/5
  • Focal length : 530 mm
  • FWHM :
  • Filters : Astronomik H-alpha (FWHM 13nm)
  • Image processing : median combine
  • Problems/comments : Rework from scratch by processing in Photoshop, Imageplus (DDP) and Neatimage (noise reduction).

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