shouldn't be any issue Jim, unless you have poor quality plastic mouldings in something (eg handset for the mount maybe). Commercial quality electronic components should be Ok up to maybe 70C and the mechanical and glass optical bits much higher. Provided you don't run any of the gear for long periods at high daytime temperatures, there should be no problem.
My EQ8 with a CF Newtonian and an SX camera sits in an ROR all year round with no effect on performance. Dust is the main bugbear with optics that are exposed to the elements on every clear night and others seem to have mould problems in humid environments.
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