Re: [Utah-astronomy] de-rotator

1 Mar 2003


      One of the pages on Chuck Shaw's web site illustrates a de-rotator for a
tracking alt-az mount - see http://www.ghg.net/cshaw/14newt.htm  and scroll
down a bit.

Jim Seargeant
----- Original Message -----
From: "Barney B." <aaah@sisna.com>
To: <utah-astronomy@mailman.xmission.com>
Sent: Saturday, March 01, 2003 12:34 PM
Subject: [Utah-astronomy] de-rotator
...
Brent said: Unless you are going to use an image
de-rotator, you'll need to have an equatorial mount.
What is a de-rotator? How does it work on a fork mount?
Barney
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