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Re: [ATM] How far from the telescope should an artifical star beplaced
Bruce,
If I remember Suiter's correctly, for focal ratios F/8 and slower 10 times the focal ratio will work, and for focal ratios faster than F/8 then 20 focal ratios are better.
Don
----- Original Message -----
From: "Bruce MacDonald" <brumac@gmail.com>
To: "ATM List" <atm@atmlist.net>
Sent: Wednesday, October 05, 2005 15:41
Subject: [ATM] How far from the telescope should an artifical star be placed
> G'Day all...
> "As far as necessary such that the rays of light from the pinpoint
> source are effectively parallel to each other when they encounter the
> objective mirror"
>
> OK, how far is that?
>
> Thanks,
> BM
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