Re: ATM Astroscan Houghton

["Bill Kelley" <flex@commspeed.net>]

Bob- I don't think surface correction on a mirror has anything to do with
collimation.. Bill Kelley

----- Original Message -----
From: "Bob May" <bobmay@nethere.com>
To: "atmlist" <atm@shore.net>
Sent: Tuesday, December 10, 2002 10:18 AM
Subject: Re: ATM Astroscan Houghton


>
> I guess that I have assumed that the primary was a sphere as they aren't
> easy to do any collimation on yet they stay in collimation without any
real
> problem.  An F4 scope would be a bit touchy in collimation otherwise.
Thus
> the assumption that it is a Schmidt Newt.
> Bob May
> http://nav.to/bobmay
> bobmay@nethere.com
> NEW! http://bobmay.astronomy.net
>
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