Greenwich, SE10 8XJ
Entrance to the Astronomy Centre is FREE. Entrance charges apply to Flamsteed House and the Meridian Courtyard. Save with a Big Ticket, giving single entry within 30 days to the Royal Observatory, Cutty Sark and the Ships, Clocks & Stars exhibition at the National Maritime Museum.
Opening hours: 10.00–17.00 daily (last admission 16.30).
Harrison's timekeepers See all five of Harrison's timekeepers together in Ships, Clocks & Stars: The Quest for Longitude – now open at the National Maritime Museum.