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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 over 370 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 28-inch Great Equatorial refractor, the largest of its kind in the UK, and seventh largest in the world.

We are members of The Federation of Astronomical Societies.The Federation of Astronomical Societies

Charles Messier

Roy Hookway entertained us with a splendid talk about Charles Messier. Roy has been a Flamsteed member for over 10 years, and for 13 years was Secretary of the Thurrock Astronomy Society. Roy’s interest in Messier began when he came across ‘Messier objects’ and was told only that Messier was a French bloke who found […]

Martin presents the Sky this Month

Report by Martin Male For those who don’t know us, Jane & I host observing evenings at Old Romney, where you are most welcome. Please apply via the website and Mike will put you on the list. The Sun The Spring Equinox is on Thursday 20th March. The Sun will then be above the horizon […]

iPhone image of Mare Crisium through the 28-inch telescope

After a few events where the weather has not been that great and we have spent more time looking at the 28-inch Great Equatorial Refractor rather than through it, it was nice to be able to open the dome and reveal to our members what a great telescope the 28-inch still is today, despite being […]

Barnard's Loop in Orion

Report by Tej Dyal As a year long member, I had signed up for this arranged Flamsteed visit to Romney four times before, but sadly, each time it was cancelled due to bad weather. However, perservence is the name of the game in this challenging but rewarding new hobby and so on this fifth attempt, […]

Colin and Schrodingers Cat

Colin Stuart is part of the Royal Observatory astronomy team. When not at Greenwich, he writes about science, penning articles for New Scientist, The Guardian, The Observer, BBC Sky at Night magazine and the European Space Agency among many others. His first book – The Big Questions in Science – was published in September 2013, […]

40 people attended the workshop with Malcolm and Mike presenting and Martin assisting.

THIS EVENT IS NOW FULLY BOOKED On April 22nd we will be hosting a new ‘Introduction to Astrophotography’ Workshop, aimed at introducing you to the various subjects and techniques needed to capture the night sky and objects within. The 90-minute Workshop will cover typical subjects and how best to capture them using various methods, including […]

Astrofun. Mike taking in the sights over Romney Marsh

Martin and Jane have very kindly offered to run a viewing session from their observatory on Wednesday 23 April. For the benefit of newer members, Martin’s observatory (a shed, but not as most of us know sheds) is very well equipped including a permanently mounted 14-inch SCT and a smaller refractor with CCD camera.  Martin himself […]

Hare & Billet Pub

NOTE THE CHANGE OF VENUE – WE ARE RETURNING TO THE BRITISH OAK April 28, Monday 8.00pm Flamsteed Pub Evening at the British Oak, 109 Old Dover Road, Blackheath SE3 8SU. All are welcome.


Flamsteed History of Astronomy Group Meeting. Tim Newling will be speaking about ‘Stargazing in the land between the rivers: Mesopotamian astronomy’; and Eddie Yeadon will be speaking on ‘RAnt and Dec: Measuring star positions through history’.

Hare & Billet Pub

May 12, Monday 8.00pm Flamsteed Pub Evening at the British Oak, 109 Old Dover Road, Blackheath SE3 8SU.  All are welcome.


A bright nova was discovered on 14 August 2013, in the constellation of Delphinus, near its border with Vulpecula. The position is RA 20h 23m 30.73s, Dec +20 deg 46m 04.1s. A detailed star chart can be found here: http://media.skyandtelescope.com/documents/Nova_in_Delphinus_PSA64.pdf Martin Male reports that he saw the nova on the evening of 15 August, and it […]

Comet C/2011 L4 PANSTARRS by Luis Argerich

by Mike Meynell Comet C/2011 L4 PANSTARRS should start to become visible in the Northern Hemisphere over the next few days. It’s closest approach to the Sun (perihelion) is on 10 March 2013 and it may be possible to spot the comet on the evening of 12 March. It is follows predictions, it should be […]


On the evening of Friday 15 February, asteroid 2012 DA14 made a close pass of Earth, at a distance of just 17,200 miles from the surface. This was the brightest ever “near-Earth object” (NEO) to be observed approaching Earth. Some news reports on the object can be found at the following links: http://www.bbc.co.uk/news/science-environment-21442863 http://www.nasa.gov/topics/solarsystem/features/asteroidflyby.html http://www.telegraph.co.uk/science/space/9873233/Asteroid-2012-DA14-brushes-by-Earth-as-it-happened.html […]

18th Apr, 2014

Waterton Lake Eclipse


17th Apr, 2014

Spica, Mars, and Eclipsed Moon


16th Apr, 2014

Mammatus Clouds over Nebraska


15th Apr, 2014

Seeing Red: Spectacular Views of this Morning’s Total Lunar Eclipse


15th Apr, 2014

An Unusual Globule in IC 1396


14th Apr, 2014

"The lunar eclipse begins at..." on Hrh Funke Elizabeth Obisanya's post on Flamsteed Astronomy Society's wall.

14th Apr, 2014

Hello have you any viewing plans for the Blood moon tomorrow please? I havent being getting any updates on my facebook page

14th Apr, 2014

Saturn in Blue and Gold


13th Apr, 2014

Clouds and Crosses over Haleakala