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Re: ATM Testing Help???

To: Ron DePack <depack@enter.net>, ATM <atm@shore.net>
Subject: Re: ATM Testing Help???
From: Michael Lindner <mikell@optonline.net>
Date: Fri, 31 Aug 2001 14:14:42 -0400 (EDT)
Cc: Ron DePack <rdepack@howost.com>
In-reply-to: <000f01c13239$1e9cc600$3592533f@hpcustomer>
References: <000f01c13239$1e9cc600$3592533f@hpcustomer>
Reply-To: Michael Lindner <mikell@optonline.net>
Sender: owner-atm@shore.net



On Fri, 31 Aug 2001 12:22:23 -0400, Ron DePack said:

>  I need some help crunching the numbers for my mirror.  I had trouble collimating and star testing, I ended up buying a cheshire sight piece but could not try it because of the weather :-(  Below are the reading I have currently, all reading are the average of 3 readings each 90 degrees apart, and I included information for you metric guys.  Please let me know what the next step should be,  Is it done or should I continue to figure???

Assuming you have a fixed source tester (light stays where it is, knife edge
moves), TEX says it is about 1/6 wave, pat yourself on the back and get the
puppy coated. If you have a moving source tester, TEX says the mirror is about
1/3 wave with a deep center and slightly turned edge.

-- 
Michael Lindner
http://home.att.net/~mikel
http://www.starastronomy.org
http://www.atmsite.org

References:
- ATM Testing Help???
  - From: "Ron DePack" <depack@enter.net>

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