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Heya DP, them was good times... I hope to get back to SV this year, I havent made it the last 2 years....
Doodles... I missed your question re: temp drops, and yes they are a major problem where I live. I've fitted a peltier-based cold air system behind the primary that turns the inside of the scope into a fridge, but even so with my current mirror (14.5" conical) it's too thick to cool rapidly.
I have a 16" composite mirror coming along soon that will cool much much better, so I'm looking forward to that :-)
cheers, Bird
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