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Building a Roll-Off Roof Observatory in Sweden

This is a writeup of building a remote-controllable observatory in a remote location in Sweden. In November 2023 I bought a cabin in one of the darkest areas of Sweden within driving distance ~250km from Stockholm. Darkness and accessibility in the winter were some of the top criteria I used while searching. The location has electricity, no running water and one of the first bits of infrastructure I set up was an internet connection (4G), each of which has some bearing on planning the observatory. The previous owners were elderly and left behind nearly everything in the house. So for the first year there was a lot of cleanup and maintenance that was more urgent than building an observatory. Still some progress was made. Preparations In front of the cabin there was a small building. This would be the future location of the observatory, but on either side there were trees and the building needed to be removed. I removed the trees in the first winter. Despite other things being more urge...