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CCD cameras (CMOS/CCD), DSLRs, telescope mounts, focusers, autoguiders, domes, Roll off roofs, etc..
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Posts: 29
Joined: Mon Jan 22, 2018 1:48 pm

Sat Mar 10, 2018 9:44 am

If one wishes to photograph M42 using an OIII filter, what is the proper procedure? Should you do focusing and plate solving first and then add the filter or will both focusing and plate solving work just fine with the filter in place?

Cyril Cavadore
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Sun Nov 18, 2018 5:02 pm

Cyril Cavadore
Principal Prism Author,
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