The Flamsteed Astronomy Society explores new concepts and discoveries in astronomy for those over 16 with an interest in space.

Membership includes the price of the standard Royal Museums Greenwich Membership giving you access to the Royal Observatory and planetarium all year round as well as a 10% discount in our cafés and shops.


Benefits include:

• Exclusive Inspiring astronomy lectures and activities workshops

• Exclusive observing sessions using the historic Great Equatorial Telescope

• Regular observing and imaging sessions

• Unique astronomy-focused trips

• Social events

Flamsteed Astronomy Society prices

Membership category Annual Direct Debit One-off
RMG + Flamsteed Astronomy Society Single Membership (one adult) £80 £90
RMG + Flamsteed Astronomy Society Joint Membership (two adults) £115 £125
RMG + Flamsteed Astronomy Society Concessionary Membership 
(60+/ registered disabled, ES40 holder/ member of the British Armed Forces/those aged 18+ in full-time education)
£69 £79
RMG + Flamsteed Astronomy Society Young Adult Membership
(Ages 16* and 17*)
*Restrictions apply. See below for details.
£69 £79

Please note that members of the Flamsteed Astronomy Society must be over 16 years of age. Members who are aged 16 or 17 must be accompanied throughout  by a legal parent or guardian when attending events and activities that are not held on Museum premises. Members aged 16 and 17 who arrive at events not held on Museum premises without a legal parent or guardian will be turned away. Young Adult Memberships (ages 16 and 17) can only be purchased via the Membership Office by telephoning us on 020 8312 6678. (Monday-Friday, 9am to 5pm). 

For further details on these restrictions and to apply for a Flamsteed Student Membership, please email us on

Visit the Flamsteed Astronomy Society website

Join us

Find out more about the different types of membership available at Royal Museums Greenwich