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Astrobserver99
20-08-2009, 07:36 PM
It's time to get my C8 SCT serviced. There is some dust in the OTA and the baffle tube needs regreasing to fix some image shift. I am getting it done by the shop pros. Is there anything else I need to consider at the same time?
Paul Haese
20-08-2009, 07:41 PM
Ask them if they would like to install a temperature sensor and cooling fans.

That is a serious suggestion, but nothing other than that.
Astrobserver99
20-08-2009, 07:46 PM
Is the temperature sensor for calibrating darks?
Paul Haese
20-08-2009, 07:53 PM
It would be for knowing when your scope is at ambient. The fan will help to cool quickly. Just suggested improvements only.