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Description:
Comet Holmes (17P) close-up.
Imaging Site: Little Blair Valley, Ca.
For more information on Comet Holmes:
Wikipedia
Date: 3 Nov 2007
Scope and f/: Takahashi FSQ-106N at f/8 (with the Extender-Q).
Mount: Takahashi NJP
Guiding: STV Deluxe
Camera: Canon 10D in raw mode, ISO: 800.
Number of sub-images and exposure: Seven images at 300 seconds each, Seventeen images at 60 seconds each.
Image Calibration: Dark.