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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 350 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.The Federation of Astronomical SocietiesBritish Astronomical Association

Graham Dolan

Graham was formerly Senior Education Officer at the ROG. Since his retirement he has devoted a great deal of time to researching the history of the Observatory and developing his excellent Royal Observatory and Greenwich Meridian websites. He has organised and posted a large amount of little-known material about the people at the ROG and […]

Professor Richard Crowther

After a gap of 4 years, it was a pleasure to welcome Professor Richard Crowther of the UK Space Agency back to the Flamsteed to give us an update on space debris and other issues surrounding the security of satellites in Earth’s orbit. Richard began his talk by explaining that space is becoming congested, contested […]

The solar eclipse!!! Honestly, it is there (behind the clouds!)

As I write this short report, I’m staring out at a beautiful sunny day. Hard to believe that only a few hours ago, we were completely clouded out when trying to view the largest partial solar eclipse visible from London since 1999! Ah well, that is the law of sod, is it not? The truth […]

Rupert presents the Solar System Imaging workshop

“Welcome to the first event at our new training centre!”… a tongue-in-cheek opening line from Rupert to introduce the first Flamsteed member’s event to be held at Mycenae House in Blackheath. In truth, we have been looking around for an additional venue to hold workshops for Flamsteed members, as, though the Royal Observatory is an […]

Louise Devoy

Looking around the galleries at the Royal Observatory Greenwich today, you’d be forgiven for not knowing about the work of the Magnetic and Meteorological departments in Greenwich. Understandably, the focus of the galleries is on the determination of time and the contribution of the Royal Observatory to positional astronomy in order to assist navigation. The […]

Solar Observing at the ROG

We will be running a solar observing session at the Royal Observatory Greenwich on Thursday 28th May from 11.30am to around 4pm. This session is open to all and is free of charge. There is no need to book, just turn up. We will be setting up at our usual location by the Altazimuth Building at […]

Solar Observing at the ROG

We will be running a solar observing session at the Royal Observatory Greenwich on Friday 29th May from 11.30am to around 4pm. This session is open to all and is free of charge. There is no need to book, just turn up. We will be setting up at our usual location by the Altazimuth Building at […]

Solar Observing at the ROG

We will be running a solar observing session at the Royal Observatory Greenwich on Saturday 6th June from 11.30am to around 4pm. This session is open to all and is free of charge. There is no need to book, just turn up. We will be setting up at our usual location by the Altazimuth Building at […]

Professor Carolin Crawford

Many robotic spacecraft have been sent to explore the cold, dry and dusty surface of Mars. They reveal a world not so dissimilar to Earth, shaped by meteor impacts, volcanic activity, weather and flash flooding. In addition, recent discoveries inform us about the possibilities for life on Mars – both in the past and the […]

Hare & Billet Pub

June 15, Monday 8.00pm Flamsteed Pub Evening at the British Oak, 109 Old Dover Road, Blackheath SE3 8SU.  All are welcome.

The International Space Station Program will take the next step in expanding a robust commercial market in low-Earth orbit when work continues Wednesday, May 27, to prepare the orbiting laboratory for the future arrival of U.S. commercial crew and cargo vehicles. NASA Television will provide live coverage of the activity beginning at 8 a.m. EDT. […]

NASA will announce on Tuesday, May 26, the selection of science instruments for a mission to Europa, to investigate whether Jupiter’s icy moon could harbor conditions suitable for life. from NASA

NASA and the National Research Council (NRC) of Canada have renewed a partnership agreement to continue critical research in the area of aircraft engine icing. from NASA

NASA announced Thursday two opportunities for public-private partnerships to achieve the agency’s goals of expanding capabilities and opportunities in space. Through both solicitations, NASA is seeking industry-developed space technologies that can foster the development of commercial space capabilities and benefit future NASA missions. from NASA

SpaceX’s Dragon cargo spacecraft splashed down in the Pacific Ocean at 12:42 p.m. EDT Thursday with almost 3,100 pounds of NASA cargo from the International Space Station, including research on how spaceflight and microgravity affect the aging process and bone health. from NASA

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Space Shuttle Rising

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What's that rising from the clouds?

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NGC 7822 in Cepheus

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Hot, young stars and

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A Dark and Dusty Sky

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In the dusty sky toward the constellation Taurus and the

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NGC 6240: Merging Galaxies

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NGC 6240 offers a rare, nearby glimpse of a cosmic catastrophe in its

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A Cliff Looming on Comet 67P

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What that looming behind this gravel-strewn hill on Comet Churyumov–Gerasimenko?

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Globular Star Cluster 47 Tuc

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Globular star cluster 47 Tucanae is a jewel box of the southern sky.

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Auroras and Star Trails over Iceland

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It was one of the quietest nights of aurora in weeks.

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NGC 2440: Pearl of a New White Dwarf

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NGC 2440: Pearl of a New White Dwarf

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Ares 3 Landing Site: The Martian Revisited

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Ares 3 Landing Site: The Martian Revisited

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Jupiter, Ganymede, Great Red Spot

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In this sharp snapshot,

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Dwarf Planet, Bright Spot

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Dwarf Planet, Bright Spot

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The Magnificent Horsehead Nebula

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The Magnificent Horsehead Nebula

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Photos from the Flamsteed Astronomy Society debate on the existence of intelligent extraterrestrial life. Monday 11 May 2015 at the Lecture Theatre in the National Maritime Museum.

Professor Chris Lintott argued against, Dr Marek Kukula in favour, with Dr Louisa Preston chairing the debate.

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Flamsteed Debate - May 2015

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Photos from the debate on the existence of intelligent extraterrestrial life, between Professor Chris Lintott and Dr Marek Kukula, with Dr Louisa Preston chairing the debate. Flamsteed Astronomy Society - 11 May 2015

Mike Meynell
Facebook IconMay 13, 2015 at 8:43 am

Photos from the Flamsteed Astronomy Society debate on the existence of intelligent extraterrestrial life. Monday 11 May 2015 at the Lecture Theatre in the National Maritime Museum.

Professor Chris Lintott argued against, Dr Marek Kukula in favour, with Dr Louisa Preston chairing the debate.

https://www.flickr.com/photos/mikem67/sets/72157650409915873

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Flamsteed Debate - May 2015

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Photos from the debate on the existence of intelligent extraterrestrial life, between Professor Chris Lintott and Dr Marek Kukula, with Dr Louisa Preston chairing the debate. Flamsteed Astronomy Society - 11 May 2015

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Two Worlds One Sun

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How different does sunset appear from Mars than from Earth?

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The Sky from Mauna Kea

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What if you could stand at the top of a volcano and peer out across the universe?

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MyCn18: An Hourglass Planetary Nebula

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The sands of time are running out for the central star

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Trio Leo

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This popular group is famous as the

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When Vega is North

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In only about 12,000 years

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At the Limit of Diffraction

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Did you ever want to just look through the eyepiece of

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Summer Triangles over Japan

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Have you ever seen the Summer Triangle?

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SpaceX Tests 'Revolutionary' Dragon Launch Escape System to Save Astronauts

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SpaceX launched a major test Wednesday (May 5) of the innovative rocket escape system for its manned Dragon spaceships, a critical system designed to save astronauts in a launch emergency. See how the short test went.

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Gravitational Anomalies of Mercury

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What's that under the surface of Mercury?

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An Unexpected Aurora over Norway

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Sometimes the sky lights up unexpectedly.

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Moonrise Through Mauna Keas Shadow

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Moonrise Through Mauna Keas Shadow