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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 […]

Jantar Mantra Jaipur

The Jantar Mantar was built between 1728 and 1734 by Maharajah Sawii Jai Singh II, at the centre of his new capital Jaipur, just next to the palace. It employed 20 permanent astronomers mapping the skies with the naked eye, supported by a collection of huge instruments. The large sundial, the Samrat Yantra, is more […]

Hubble Space Telescope

The Hubble Space Telescope is the most famous scientific instrument in history; a triumph of human ingenuity and ambition. Conceived in the 1950s, the dream of an orbiting space observatory was a vision far beyond our capabilities at the dawn of the space age. Only through a collision of emerging technology, the stubborn tenacity of […]

Edmond Halley

Join us in our Zoom social evening in the Flamsteed virtual pub, ‘The Edmond Halley’! (Halley always was a more convivial sort of chap than John Flamsteed, to be honest.) To add to the atmosphere of the pub theme, please have a drink in hand during the event. This does not have to be an […]

Prof Catherine Heymans

Just over 95% of our Universe comes in the shrouded form of dark energy and matter that we can neither explain nor directly detect. Together, these two dark entities play out an epic cosmic battle with the gravity of dark matter slowly pulling structures in the Universe together, and dark energy fuelling the Universe’s accelerated […]

NASA commercial cargo provider SpaceX is targeting 11:39 a.m. EST Saturday, Dec. 5, for the launch of its 21st commercial resupply services (CRS-21) mission to the International Space Station from Launch Complex 39A at the agency’s Kennedy Space Center in Florida. from NASA

A joint U.S.-European satellite built to monitor global sea levels lifted off on a SpaceX Falcon 9 rocket from Space Launch Complex 4E at Vandenberg Air Force Base in California Saturday at 9:17 a.m. PST (12:17 p.m. EST). from NASA

Media are invited to NASA’s 15th annual Historically Black Colleges and Universities (HBCU)/Minority Serving Institutions (MSI) Technology Infusion Road Tour, a virtual event Nov. 18 and 19. from NASA

NASA will host a media teleconference at 1 p.m. EST Friday, Nov. 20, to discuss science investigations and a new privately funded airlock launching on SpaceX’s 21st commercial cargo resupply mission for the agency to the International Space Station. from NASA

The SpaceX Crew Dragon Resilience successfully docked to the International Space Station at 11 p.m. EST Monday, transporting NASA astronauts Michael Hopkins, Victor Glover, Shannon Walker, and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi. from NASA

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