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01-November-2007, 02:20 AM
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Comet Holmes Faint Green outer Halo image
Hi ALL,
Here is my shot from Oct. 29th, Processed to show the fainter outer green envelope of the Comet. Its a challenge to bring it out, its a fine balance between short and long exposures, and image processing to keep the core detail and outer envelope visible at the same time. 45 second exposure, ISO 400, Modified Canon 20D, and 10" LX200 SCT, Processed in Maxim DL, Nebulosity, and Adobe PS.
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Best Regards, John Chumack The Chumack Observatories MPC 838 Dayton Research Station MPC H66 Yellow Springs Research Station www.galacticimages.com 
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01-November-2007, 08:24 PM
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As usual, very nice picture John.
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