Winters in Ottawa are -20C at night, or colder if the night is clear. Setting up a telescope in that weather is not fun. If I was to invest in an astronomy bu

Winters in Ottawa are -20C at night, or colder if the night is clear. Setting up a telescope in that weather is not fun. If I was to invest in an astronomy building, where I could just roll off the roof, that would probably be acceptable. But I haven't gone that far yet.