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The Flamsteed is an amateur astronomy society at the Royal Observatory and National Maritime Museum in Greenwich, London SE10. It has around 400 members who represent the full range of interests and experience in astronomy. Many are beginners. It is named after the first Astronomer Royal, John Flamsteed.

The Society was founded in 1999, and is part of the membership organisation of Royal Museums Greenwich.

Our lecture meetings are held once a month between September/October and May/June, usually on a Monday evening, in the lecture theatre of the National Maritime Museum, or in the Peter Harrison Planetarium at the Royal Observatory Greenwich (ROG). The Society regularly holds observing evenings using members’ own telescopes.  In addition the Society stages viewing sessions with the ROG’s Great Equatorial Telescope, the largest of its kind in the UK, and seventh largest in the world.

We are an affiliated society of the British Astronomical Association and members of The Federation of Astronomical Societies.

A short review of what to see in the night sky in May 2020: Light phases at sunrise and sunset Sky conditions during lockdown Starlink comments Messier 3 – Globular Cluster Markarian’s Chain Mercury Eta Aquarids meteor shower “Supermoon” Presented by Mike Meynell

A short review of what to see in the night sky in April 2020: Comet C/2019 Y4 (ATLAS) Lyrid Meteor Shower Venus and the Crescent Moon Phases of Venus Also, a brief review of the best astronomy planetarium apps.

Agnes Mary Clerke was born in Skibbereen in Co Cork in and grew up in the midst of the horrific Irish Famine.  Her mother Catherine was one of the talented and wealthy family of the Deasy’s and her father John Clerke was a talented amateur astronomer and general scientist who ran the local bank.  She […]

In the first of our History of Astronomy sessions for this season, we were presented with a talk by Bill Barton. Bill is a founding member of the Society of the History of Astronomy and the Deputy Director of the British Astronomical Association Historical Section. He is also a member of a number of other […]

The weather in the UK is notoriously difficult to predict. However, amateur astronomers can normally predict, years in advance, when we can expect poor weather and cloudy skies. Those conditions, almost without fail, occur on the day of major astronomical events! Fortunately, the evening of Tuesday 16th July 2019 bucked the trend. We were treated […]

Northern Lights

Every (pandemic-free) year, hundreds of thousands of people travel to arctic climes with the goal of witnessing the Northern Lights. It is a verified ‘must see’ natural wonder, which has cemented itself on every major bucket list. Many mysteries remain about the behaviour of auroras, but the major facts about their formation have been established. Yet, […]

Stellar Encounters

Join us for Stellar Encounters, a live online planetarium show presented by an astronomer from the Royal Observatory Greenwich. Our Sun is just one of the billions of stars that make up our galaxy. But are all those other points of light in our sky the same as our own, perhaps even with systems of […]

Don Lincoln

We are delighted that we are working with Havering Astronomical Society to present a talk by renowned particle physicist Prof Don Lincoln. Prof Lincoln is an American physicist, author, host of the YouTube channel Fermilab, and science communicator. He conducts research in particle physics at Fermi National Accelerator Laboratory, and is an adjunct professor of […]

Stuart Clark

Save the date for what will be a fascinating talk by Stuart Clark, astronomy journalist and writer, and author of Beneath the Night, published in October 2020. Further details will be available shortly, and an email will be sent to members nearer the date with a link to register for this event.

After nearly five years in space, NASA’s Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft is on its way back to Earth with an abundance of rocks and dust from the near-Earth asteroid Bennu. from NASA

NASA Administrator Sen. Bill Nelson announced Monday Robert D. Cabana, who has served as director of NASA’s Kennedy Space Center since 2008, will serve as associate administrator effective Monday, May 17. from NASA

Steve Jurczyk, who served as acting NASA administrator from Jan. 20 to May 3, 2021, announced Monday he will retire on Friday, May 14, after more than three decades of service at NASA. from NASA

NASA and Axiom Space have signed an order for the first private astronaut mission to the International Space Station to take place no earlier than January 2022. from NASA

NASA Administrator Sen. Bill Nelson released the following statement Saturday regarding debris from the Chinese Long March 5B rocket. from NASA

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