I, like Brenan, would do a through cleaning, and also gently clean any connectors.
Personally, I would have cleaned it before ever having applied power to it.
The fact it survived the deep sleep period speaks well for the mount, and your care when you stored it all those years ago.
I'm surprised everything did so well there in Old Blighty. But delighted it did.
I would imagine you are entering the better time of the year to observe and image.
Enjoy! And welcome back,
Great Moon Picture!
--
SonnyE
(I suggest viewed in full screen)
