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Why does guiding require near-perfect alignment?
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17-03-2017, 09:46 PM
RickS
(Rick)
PI cult recruiter
Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Guiding with a poor polar alignment will keep the guide star in the same place but the field will rotate around it, and you'll get noticeable trailing of stars and details which will get worse the further you get from the guide star.
Cheers,
Rick.
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