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Old 19-05-2009, 12:51 PM
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RB (Andrew)
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Quote:
Originally Posted by telecasterguru View Post
To help avoid vignetting when imaging, am I better off keeping the images all the same duration?
Does this in fact have any impact on vignetting?
I am using a 1000D with an ED127 and a 2" connector.
What is the best process for the flattening of images to reduce vignetting?
Thanks

Frank
Frank, the duration of exposure doesn't affect vignetting, you'll need to start taking flats and get a field flattener for your scope (and of course stick to 2" adapters).
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