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 20% discount in our cafés and a 10% discount in our shops.
*From 2nd November 2025 until Spring 2028, the Peter Harrison Planetarium and the building it is in will be closing as part of an exciting project to transform the Royal Observatory. We will be delivering a host of space-related activities and events just for Members. Find out more and what this means for you.
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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.
For further details on these restrictions and to apply for a Flamsteed Student Membership, please email us at membership@rmg.co.uk.
Flamsteed memberships can also be added to our Family Memberships. Should you wish to purchase, or for further information, please contact our Membership Team on 0208 312 6678 or email us at membership@rmg.co.uk.
Join us
Find out more about the different types of membership available at Royal Museums Greenwich