NGC 7635 (Bubble Nebula) in Cassiopeia

Updated : 08 November 2005.

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n7635-60+75-sgclpha_DDP_SZ_NR_RL_IP_PS_col.jpg (350 kB)

  • 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.

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