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Re: [ATM] marking the center of a circle (was: Re: UltimateCollimation)
>> The center of the mirror must not necessarily coincide with the
>> center of the glass.
>
> I would go so far as to say the purpose of star collimation (if any) is
> none
> other than to verify the placement of the center spot....
>
> Nils Olof
That looks like good advice to me.
First do a star collimation to find the center spot. Once found remove a
little of the center coating and use the method as suggested by John for
faster re-collimation.
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