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Back-garden astronomer uses second-hand telescope (and a lot of patience) to capture stunning images of the stars | Daily Mail Online
Buying a secondhand telescope: what you need to know | BBC Sky at Night Magazine
Buying Second-Hand Telescopes - SuperCooper Telescope Help
The beginner's guide to buying a used telescope
Second-hand equipment for sale | ASSA
Telescopes for Sale - eBay
How do I build a telescope at home? | HowStuffWorks