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My South Coast dark site is 200m from the beach and up at 30m from sea level and prior to setting up my NexDome Obs back in March , I use to leave my newts on the mount outside in the yard with a tarp over them for the past 4 years ( just brought the imaging camera and laptop inside after each session )I even left the guide scope and guide camera connected outside too.
No issue with salt laden air corroding anything at this stage
I just properly covered them to the ground and made sure all screws , bolts and external unpainted chromed metal was lubricated with lithium grease and a bit of WD40 here and there.
Oh and my gear is lower end budget gear from Taiwan ( GSO , Skywatcher etc... ) not exactly high quality paint or chrome
I just clean my mirrors once every 6 to 12 months
That’s it
And we get horrendous north easters here in summer too
Maybe in 10 years time things would be different but no problem in the past 4 years
Cheers
Martin
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