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Re: [ATM] Cassegrain Secondary figuring and Star Test Interpretation

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Subject: Re: [ATM] Cassegrain Secondary figuring and Star Test Interpretation
From: "Bob May" <bobmay@nethere.com>
Date: Sat, 1 Jan 2005 20:25:33 -0800
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Get a Ronchi grating and when you put that near the focus when looking at a
bright star, you will see the shape of the whole system a lot easier than
trying to interpet the defocus of the star test.
Bob May
bobmay@nethere.com
http://nav.to/bobmay
http://bobmay.astronomy.net

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