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Re: [ATM] A foucault image quiz Part 1.

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Subject: Re: [ATM] A foucault image quiz Part 1.
From: "Bob May" <rmay@nethere.com>
Date: Wed, 9 Apr 2008 21:15:38 -0700
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Looks to me to be a nice hyperbola for a F10 of that size for a
start.  More like a hole in the middle of the mirror than really
parabolizing it.
Second, there is some astig. to it, probably about a wave by my
guess as the shadows on the top and bottom aren't the same.
Bob May

rmay at nethere.com
http: slash /nav.to slash bobmay
http: slash /bobmay dot astronomy.net


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References:
- [ATM] A foucault image quiz Part 1.
  - From: Dale Eason <atmpob@yahoo.com>

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