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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 […]

Jocelyn Bell Burnell

We are honoured that Professor Dame Jocelyn Bell Burnell is finding time in her very busy diary to deliver a talk to Members, online via our usual Zoom platform. With improved technology astronomers are now able to observe things that rapidly change their brightness. Opening up this ‘transient’ domain has revealed a wealth of amazing phenomena […]

Also known as Tyge Ottesen Brahe, or even better known as Tycho Brahe. We will explore some of his childhood, his education, where he lived, observed and recorded for 21 years, his achievements and, oh yes, why he had only half a nose! And finally, if you head to Scandinavia, we will take a look […]

Professor Philippa Browning

Solar flares are powerful “explosions” in the Sun’s atmosphere, the corona. They are caused by a rapid release of the energy stored in the strong magnetic field of the corona – the magnetic field lines break in a process known as magnetic reconnection. This heats the gas to temperatures of tens of millions of degrees […]

Two NASA astronauts splashed down safely in the Gulf of Mexico Sunday for the first time in a commercially built and operated American crew spacecraft, returning from the International Space Station to complete a test flight that marks a new era in human spaceflight. from NASA

NASA is broadcasting the return of the agency’s SpaceX Demo-2 test flight with NASA astronauts Robert Behnken and Douglas Hurley from the International Space Station – the first splashdown of an American crew spacecraft in 45 years. from NASA

NASA astronauts Robert Behnken and Douglas Hurley will address their upcoming SpaceX Crew Dragon departure and splashdown in a news conference at 10:45 a.m. EDT Friday, July 31, from the International Space Station. from NASA

NASA’s Mars 2020 Perseverance rover mission is on its way to the Red Planet to search for signs of ancient life and collect samples to send back to Earth. from NASA

NASA and its international partners have assigned crew members for Crew-2, which will be the second operational SpaceX Crew Dragon flight to the International Space Station as part of NASA’s Commercial Crew Program. from NASA

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