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Old 06-10-2012, 07:58 PM
wayne anderson (Wayne)
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wayne anderson is offline
 
Join Date: Jan 2010
Posts: 339
Thanks Laurie, Ross, Mark and Chris.

Thanks Chris I tried following your advice about the green channel but still can’t seem to correct it fully, I don’t have Photoshop I am using an old 1996 version of Corel Photopaint it is the only photo editing program I have, it is very basic not as many nice plugins as Photoshop. I think Photoshop and all those great plugins will help me a lot.

I have attached new images of the edited original and the separated channels red, green and blue, I also added an image of the un cropped original with oversaturation it seems to show my problem may be linked to vignetting even though I added 50 good flats into the stacking process. Any ideas about this are welcome.

Thanks Wayne.
Attached Thumbnails
Click for full-size image (M20 Triffid.jpg)
194.4 KB9 views
Click for full-size image (RED.jpg)
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Click for full-size image (GREEN.JPG)
165.7 KB1 views
Click for full-size image (BLUE.jpg)
176.5 KB2 views
Click for full-size image (M20 Vignetting Artifact.jpg)
193.8 KB6 views
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