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Subject: Re: OT: [M]: Unbelievable! Observatory.
From: Michael J. Cook
Reply To: mapug@shore.net
Date: Fri Jan 10 00:07:49 1997

Bill Arnett wrote:
>
> At 8:18 AM -0800 1/9/97, Robert C Elliott wrote:
> >Peter Augello wrote:
> >> Boy, I wish I had an observatory!
> >
> >
> >Peter, you might have to wait the 2 hours letting things cool off to get
> >good images. I have worked inside domes for the past thirty years and the
> >best seeing is always outside in the open on any night.
>
> I would think that it would be easy enough to design a dome or roll-off
> such that it stay more or less in equilibrium with the outside. Am I
> missing something important here?

When I know that I will be observing for sure, I open the dome just be
fore sunset (or earlier in the winter) to let the inside of the dome
cool down. I always have good seeing.