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Old 23-08-2012, 01:11 PM
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jenchris (Jennifer)
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Join Date: Nov 2010
Location: Ormeau Gold Coast
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I see what you mean.
I sometimes wonder if the upper atmosphere being a bit uneven causes this - sometimes a lunar shot that is stacked can have some awful aberations when stacked that aren't visible as a single image.
I know globular clusters I take often blow out when I stack them even if the guiding has proven to be pretty good. More so when the jetstream is fast
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