Thread: SCT corrector plate crud - when is crud too cruddy?
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Old 25-06-2006, 10:37 AM
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Lester
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Hi,

Don't know how cruddy is cruddy. But my 8" SCT Celestron new in mid 1970's I have cleaned it only once in all that time. Never touched either mirror, only the corrector. And you have all seen what that scope is capable of on Jupiter with Asimov.
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