42848Re: Ritchey Chretien collimation - how?
- Jun 1, 2005Thanks for all the suggestions!
--- In firstname.lastname@example.org, "Enzo Santin" <enzo_santin@y...>
> Hi all,
> a stupid question. I'm experiencing some collimation problems on
> my 10" Ritchey Chretien scope: a bit of coma etc...
> When I go to collimate my instrument observing the stars ( Thierry
> Legault method ) which mirror I must collimate first, the primary or
> the secondary?
> There is other methods to achieve good collimation with RC scopes?
> Sorry for my english and many thanks for suggestions...
> Enzo Santin
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