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Re: [ATM] RE: [atm_free] The zonal Foucault test is freeofinherentcorrection bias - some supporting graphs

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Subject: Re: [ATM] RE: [atm_free] The zonal Foucault test is freeofinherentcorrection bias - some supporting graphs
From: "Bob May" <bobmay@nethere.com>
Date: Wed, 16 Mar 2005 10:52:39 -0800
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Yes, there is a bit of an error at the midpoint of the Couder mask due to
the fact that the mirror is curved and the mask is flat.  HOWEVER, go
calculate that error and you'll find out that you can't really make a mask
that accurate without precision tools.
Bob May
bobmay@nethere.com
http://nav.to/bobmay
http://bobmay.astronomy.net

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References:
- RE: [ATM] RE: [atm_free] The zonal Foucault test is free ofinherentcorrection bias - some supporting graphs
  - From: "john sherman" <atm@mail.johnspics.com>

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