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From 2011 Oregon Star Party
10 x 120s L (comet is hand colored)
AT111EDT on CGEM
Captured, calibrated and stacked in MaxIm DL, further processing in Photoshop. Stacked twice - once for comet and again for stars. The registered comet was then "pasted" into the star field and hand colored.

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Comment by Marc Basti on July 19, 2017 at 7:19pm

Never got a deep one (pretty!!). Mine was in the sunset, but it was cool, some guy showed up saying "I hear there suppose to be a comet tonight'' We had camera and tele.
Nice Catch

Comment by John Auvil on November 25, 2013 at 4:27pm

Wow very nice Greg

Comment by Farrell Germann on April 18, 2012 at 6:35pm

Good Looking

Comment by Jeffery Scism on February 26, 2012 at 10:40am

Great composition.

Comment by Greg Marshall on October 15, 2011 at 7:18pm
Thanks, John, Nicholas, and William.
Comment by William Neff on October 15, 2011 at 8:53am
Nice capture and process ability to produce something striking, some day I will learn that, for now it is time, practice and patience...........NICE PHOTO!
Comment by Nick Dudish on October 13, 2011 at 7:51am
It is starting to create a trail. Thanks for the update from Nick under overcast skies.
Comment by John O'Neal on October 11, 2011 at 10:16pm
Very nice capture, Greg, and wonderful job of processing, too!
Comment by Greg Marshall on October 6, 2011 at 10:57am
Thanks, everyone.

To answer Raymond's question, the original shot was monochrome only. Since I use a mono camera and color filters, color doesn't work very well with moving targets like a comet. So after processing the luminance image I sampled the color from a few spots in Neil's color image of Garradd and brushed them onto a new layer of my image, with layer blending set to "color". This is actually less difficult than getting both the comet and background stars to be stable (no trails). Star trails showing through the comet cloud have to be manually edited out, even after selecting frames with minimal stars in the background.
Comment by Raymond Kneip on October 6, 2011 at 4:02am
Excellent image of comet in front of a field of stars. But what do you understand by 'hand colored'?

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