Quote:
Originally Posted by rumples riot
Sorry to offend, but I have been around for a long time and heard lots of people say things that can't be done or you are using the wrong scope for that.
Paul
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Hmm,
That's obvious on the basis you bought a beautiful timber truss dob with a 2" thick mirror for planetary imaging and then had to hack holes in the box because of cooling issues.
Personally, I would have ordered the scope with a 1.6" thick mirror from Mark or Carl Zambuto (both are offered as mirror suppliers), if I wanted the scope for planetary imaging. This would have resolved most of your cooling problems. I can tell you from experience that my 2" thick 18"/F4.5 OMI mirror, while superb, takes forever to cool with 4 fans on it.
You may have been around a long time, but you didn't learn much about mirror cooling and large aperture telescopes
Cheers
John B