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There is one other factor to seeing stability in a scope - optical quality of the instrument. Premis is a simple one - if all the photons are being put where they should go, then if seeing is not ideal then the image won't shimmer and blur as much, more "waft" like a flag in a gentle breeze. If the optical quality is not there, the image will waft more violently and there will be an intense shimmer in the image as the misaligned photons are thrown all over the place.
Alex.
Last edited by mental4astro; 23-09-2018 at 10:36 AM.
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