Quote:
Originally Posted by marc4darkskies
Interesting - thanks for the info Greg! Surprised dew hasn't bothered you that much. Dew used to cause all sorts of problems for my Tak before I put a dew heater on. On many occasions the whole observatory was dripping wet and the objective fogged over before 1:00am.
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I suppose I should put the caveat of that's whqt happens where I am. But I think because the mirror is so far inside the tube, it has the fans blowing air across it, the shroud around it, its not that exposed really.
Hopefully its the same for you. It hasn't been enough of a bother for me to get dew heaters installed yet.
Greg.