That is not to say that a permanent home for a larger dob is a bad idea. It would save setup time, reduce risk in moving it and could reduce effect of wind. Another benefit would be storage of charts tables etc.
The biggest issue would be the size. A structure large enough for a decent sized dob would be large. For my 20" for example it would probably need to be say 6 metres on each side, maybe 2 or 3 metres high and I am fairly certain the SWMBO would not want that in the yard!
An alternate would be some sort of smaller roll off structure that proects the scope when not in use and simply rolls away when the scope is to used.
Malcolm
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