Comet 217P Linear
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Comet 217P Linear
Date Dec 16, 2009
Exposure 10 x 120 seconds (unfiltered, cropped; stacked on Comet)
Camera STL11000M with Astronomik filters
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding External guide head on Borg Mini 50
Processing MaximDL,  PhotoshopCS3, GradientXterminator
Comments Clear and cold, some high thin clouds


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Inverted view

0bject

Comet 217P Linear
Date October 4, 2009
Exposure 5 x 60 seconds (clear filter, cropped)
Camera STL11000M with clear Baader filter
Telescope ASA 10N f/3.7 on Losmandy G11 with Gemini
Guiding External guide head on Borg Mini 50
Processing MaximDL, FITS Liberator, PhotoshopCS3, GradientXterminator
Comments Nearly full moon high overhead, cropped to 35 x 28 arcminutes

                                    All text and images � Gregg L. Ruppel 1998-2009.