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Bubble - Nebula region in Cassiopeia in H-alpha

Updated : 01 January 2005.

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n7635_255-avflatHa_DDP_IP_PSred.jpg (600 kB)

Here you can find an image in H-alpha taken with the FSQ/STL11K combo

  • CCD : STL11000M ABG 1x1 binning
  • Exposure time : 255 min H-alpha (15 min individual exposures)
  • Date and Time : 08. Sept. 2004
  • Instrument : 40cm @ f/3.3
  • Focal length : 1320 mm
  • FWHM :
  • Filters : Astronomik H-alpha filter
  • Image processing : sigma clip combine, darks, flat
  • Problems/comments : Further processing in Imageplus (DDP) and Photoshop. I had to crop the left part due to a vignetting of the filter. Image was done at my backyard, Mol, Belgium

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