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Re: [APML] SCT mirror lock

From: "John Boudreau" <jeboud@mediaone.net>

> Now if only I still didn't have to worry about thermal focus shift ;o)

Do you ever attempt to re-adjust focus in the middle of a long exposure?
Perhaps using a dark slide to cover the film while you adjust...get the
OAG/autoguider tracking again at the same location...and continue the
exposure?

Tom Krajci


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