Now, now, Lewis don't be like that. We are all here to share ideas. Some of these things we have all been through before, and have led us down rabbit holes that dont end.
Requirements-Conceptual Plan-Logical Design-Physical Design
We are just offering different solutions to your requirements. Polar alignment better than 2arc/min.
We are just saying unless you have a permanent mount you are probably not goign to get much better without an accurate setup plan.
Just trying to save you some pain, but if you have your heart set, go forth and survey.