To join the Flamsteed Astronomy Society, click on this link.

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 […]

After a busy 2020-2021 season of talks, the Flamsteed is taking its usual summer break. Ordinarily, we have a July-August programme of solar viewing events for Flamsteed members and for members of the public. With the current challenges relating to reopening the Royal Observatory site, plus the additional difficulties of sanitising solar telescope eyepieces and […]

Save the date for the Flamsteed Astronomy Society Annual General Meeting. We need as many Members as possible to attend so that the Committee can continue to operate in accordance with our Memorandum of Understanding – in effect, our constitutional deed. Committee chair Andy Sawers will report on the year just gone and our plans […]

Prof Lewis Dartnell

When we talk about human history, we focus on great leaders, revolutions, and technological advances. But how has the Earth itself determined our destiny? How has our planet made us? As a species we are shaped by our environment. Geological forces drove our evolution in East Africa; mountainous terrain led to the development of democracy […]

Dr Jeff Wagg

Jeff Wagg will describe the status of the ongoing SKA design work and present an overview of some of the questions that the SKA will help to answer. Jeff is an astronomer at the Square Kilometre Array Organisation in Jodrell Bank, UK. Originally from Canada, he studied astronomy in Victoria, Puebla, Mexico and Boston, USA. […]

The following are statements from Margaret Vo Schaus, NASA Administrator Bill Nelson, and Deputy Administrator Pam Melroy on Wednesday’s swearing in of Vo Schaus as NASA’s Chief Financial Officer: from NASA

NASA will provide coverage of the upcoming prelaunch, launch, and docking activities for the agency’s Boeing Orbital Flight Test-2 (OFT-2) mission to the International Space Station. from NASA

The following are statements from Margaret Vo Schaus, NASA Administrator Bill Nelson, and Deputy Administrator Pam Melroy on Friday’s U.S. Senate confirmation of Schaus as NASA’s chief financial officer: from NASA

NASA has extended a contract to companies around the United States to provide spaceflight hardware, software, and mission integration and operations services on a commercial basis for the agency’s International Space Station Program in support of the commercialization of low-Earth orbit. from NASA

The following is the NASA statement in response to the U.S. Government Accountability Office (GAO) decision released Friday on the human landing system protest: from NASA

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