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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 […]

Pub quiz

Join us for our first-ever Online Pub Quiz in the Flamsteed virtual pub, ‘The Edmond Halley’!  The aim is to enjoy some great summer fun and perhaps learn something along the way. The questions will be astronomy-themed and may also include your favourite movies, music or even the Royal Observatory. You will need to pre-register […]

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 […]

NASA will host a media teleconference at 2:30 p.m. EDT Tuesday, July 7, to discuss the outcome of its High Visibility Close Call review of the December 2019 uncrewed Orbital Flight Test of Boeing’s Starliner spacecraft. from NASA

Students from across the nation will pose questions about NASA’s Artemis program to an astronaut aboard the International Space Station. The educational event will air live at 12:15 p.m. EDT Thursday, July 9, on NASA Television and the agency’s website. from NASA

NASA has awarded the Total and Spectral Solar Irradiance Sensor-2 (TSIS-2) Spacecraft contract to General Atomics Electromagnetic Systems Group of San Diego, California. from NASA

NASA has awarded the Total and Spectral Solar Irradiance Sensor-2 (TSIS-2) Spacecraft contract to General Atomics Electromagnetic Systems Group of San Diego, California. from NASA

Kathy Lueders, NASA’s associate administrator for Human Exploration and Operations, has named Joel Montalbano as manager of the International Space Station Program. The appointment was effective June 29 following the June 26 retirement of Kirk Shireman, who held the position since 2015. from NASA

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