BBC Sky at Night

DIY ASTRONOMY

Build a roll-off roof garden observatory

In part 1 we look at how to locate the observatory and build the floors and walls

PART 1 OF 3

Setting up a telescope and a mount for an evening’s observing can take over an hour – more if you’re imaging and add a camera in the mix – and nearly as long to put it all away again. However, if you have even the most basic observatory, setting up can take less than five minutes; as the cliche

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