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Cone nebula, fox fur and christmas tree in Ha
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12-02-2009, 04:13 PM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 18,175
Hi Gordon,
Very nice shot.
If you are using flats your vignetting should go.
I am using an Apogee U16M and PDF on a BRC and there is no need to crop.
Make sure you get accurate flats.
Greg.
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