After a frustrating winter with glimpses of the night sky few and far between, I’ve decided to try to join the ranks of amateur observatory owners to try and maximise my opportunities. So, inspired by @Astrokev, @JamesF and other recent builds I have permission from the missus (!) a space and SketchUp - what can possibly go wrong?? The plan is a 50/50ish roll off with warm room, weighing in at 2.4m x 4.2m and scraping in just under 2.5m high. Scope side is 2.4m square with the remainder giv