Last updated on 10/26/2014

NGC 281

  Ha 420 min

0bject

NGC 281 Emission Nebula in Cassiopeia (Pacman Nebula)
Date November 23-26, 2010
Exposure RGB 100:100:100 (cropped)
Camera STL11000M with Astronomik filters
Telescope ASA 10N f/3.75 on AP900GTO w/CPO3
Guiding Remote guide head w/ MiniBorg 50mm
Processing MaximDL, PhotoshopCS4, AstroActions, GradientXterminator
Comments Cool and clear, moderate seeing; object near zenith


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0bject

NGC 281 Emission Nebula in Cassiopeia (Pacman Nebula)
Date August 9, 11 & 13 2007
Exposure SIIHαOIII 120:120:120 (unbinned; Hubble palette)
Camera ST2000XM w/ Schuler filters
Telescope Takahashi Sky90 @ f/4.2 on Losmandy G11 w/Gemini
Guiding Self-guided
Processing MaximDL, FITS Liberator, Photoshop CS2
Comments Very warm each night, high humidity with steady seeing

 


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0bject

NGC 281 Emission Nebula in Cassiopeia (Pacman Nebula)
Date September 5, 6, & 9, 2006
Exposure HαGB  330:30:30
Camera ST2000XM w/ SBIG filters & Schuler Hα
Telescope Takahashi Sky90 @ f/4.5 on Losmandy G11 w/Gemini
Guiding Self-guided
Processing MaximDL, FITS Liberator, Photoshop CS2, AstroActions
Comments Moonlight and high clouds all three nights

                                    All text and images � Gregg L. Ruppel 1998-2006.