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Secondary Heater.
Hey guys. Im am upgrading my 10" "Cheapy" Newt to a GSO RC10.
I used to have terrible trouble with dew on my secondary mirror, and I never had a heater for it. I have seen that you can get secondary heaters for the RC10.
So I am wondering, will heating affect collimation to an extent where it needs to be tuned every time the heater is on? If so should collimation be done with the heater on?
Erik.
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