Comet Holmes – again

Yet Another Picture of Comet 17/P Holmes. This is the first picture taken with my 6″ Newtonian telescope, since I have rebuilt it with a light-weight three-truss tube.This was processed very quicky, there seems to be something wrong with the dark frames, I will reprocess the image, and see what is wrong.


150mm f/5 Newtonian Telescope
Nikon D200
8x120s, ISO 800
18th, November 2007
Stacking, dark subtraction in IRIS, Histogram adjustment, sharpening in Photoshop.
This is an image of the 6-inch as it looked while I took the picture above, the black cardboard was used for shielding against stray light and will be replaced by something more durable.

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