Alex
Only a suggestion, why not go for a 10 f5 carbon fibre newt from Sidereal Trading ? It has a focal length of 1200mm and is lighter than a steel tube OTA
At least its manageable if you have to pull it off the mount and do some maintenance
A 12 or 16 truss newt is a beast of a thing, but maybe you want a beast up there in Tabby with your dark skies ?
Just a suggestion
Hope more experienced folk chime in with their advice !
Cheers
Martin
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