The Flamsteed Astronomy Society
If you have a passion for astronomy, join the Flamsteed Astronomy Society
Activate your Gift Membership
Information about the activation of your Gift Membership
Family Membership
Join today and give your family the freedom to explore Cutty Sark, the Royal Observatory and special exhibitions at the National Maritime Museum
Visitor highlight
Camera Obscura
Watch a fascinatingly intricate camera obscura showing Greenwich and the Thames in real time
Story topic
Lyrid meteor shower 2026: when and where to see it in the UK
What is it, when is it and where can I see the Lyrid meteor shower this year?
Event
Royal Observatory Treasures Tour
Explore some of the Royal Observatory's most treasured objects with a guided tour
Event
Caribbean Takeover
Join the Caribbean Social Forum as they take over the National Maritime Museum and the Queen’s House for another spectacular year of celebration
Event
Easter holidays at the National Maritime Museum
Join our range of fun family activities taking place at the National Maritime Museum this Easter
Story topic
Niki Gorick: Behind the lens
The London-based photographer shares the stories of her images of the city’s docklands, now on display at Cutty Sark