As part of the BBC's series 'Stargazing Live', the Somerset town of Dulverton is planning to turn off all of its lights at the same time in order to observe the night sky with as little light pollution as possible.

Councillor Chris Nelder, mayor of Dulverton, told the Today programme's James Naughtie that residents are "really hyped up" over tonight's plans and Douglas Rice, chair the nearby Tiverton Astronomy Society, explains what he will be looking out for.

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