My new (well, second-hand) Skywatcher 150P Newtonian telescope has arrived! I’ve collimated it using a special eyepiece laser tool and took it out last night to test it on a few stars. Amazingly I saw some 
The field of view is much, much better and you can see more in it. However there’s a slight coma/lensing effect on bright objects (e.g. Jupiter) and the Newtonian doesn’t resolve as much detail as even a smaller Makuskov. I’ll explain why another time, but for now, here are the pictures of me collimating the telescope
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