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Re: [APML] Forcing mirror flop in SCTs.

To: astro-photo@seds.org
Subject: Re: [APML] Forcing mirror flop in SCTs.
From: Alan Voetsch <critter12952@yahoo.com>
Date: Wed, 20 Nov 2002 10:54:25 -0800 (PST)
In-Reply-To: <5.1.0.14.0.20021120132251.035bce68@pop3.norton.antivirus>
Reply-To: astro-photo@seds.org
Sender: owner-astro-photo@seds.org

Hi Matt,

--- Matt BenDaniel <matt@starmatt.com> wrote:
> I would test that by focusing on a star near the
> horizon. Then slew the scope to within 10 of zenith
> and see if the focus changes.

I gave it the real test: 2, 3, and 4 hour shots. It
does work for my equipment. There are still
contraction issues due to temperature change to deal
with thogh. The battle never ends, does it?

Alan

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References:
- Re: [APML] Forcing mirror flop in SCTs.
  - From: Matt BenDaniel <matt@starmatt.com>

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