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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 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 members of The Federation of Astronomical Societies.The Federation of Astronomical Societies

The Sky this Month: October 2014

by Mike Meynell Once again, we’ll take a look at what to see in the sky over the coming month. First of all, there will be an occultation of Saturn by the Moon, just after 5pm on Saturday 25 October. From Greenwich, Saturn starts to disappear behind the Moon at about 16:05 GMT (17:05 BST) […]

Bill Connor

The mainstay of our History Group programme has been the impressive knowledge and talent of our own members.  Bill’s talk added significantly to this growing tradition – Bill has special insights into the history of the telegraph network, the ‘Victorian Internet’, and he linked these to the development of Longitude determination and the ties to […]

Dr Ali Mozaffari

Dr Ali Mozaffari’s presentation on Testing Gravity in the Solar System was the opening event of the Flamsteed 2014-15 calendar – and it really raised the bar. But this being the Flamsteed Astronomy Society, many members leapt over that bar easily. In fact, Dr Mozaffari told us later how impressed he was by the quality […]

Sky this Month: September 2014

by Mike Meynell The autumn equinox is on September 23 – the point where the hours of night and day are equal, so we’re looking forward to the skies getting darker again. I’m going to cover the Moon and the planets and then move on to some of the other objects that you can view […]

Viewing the Sun through the 90mm Coronado

At our last Flamsteed committee meeting in May, Nick Phillips proposed that we set up a series of “members only” solar viewing events at the Royal Observatory Greenwich to take advantage of the equipment that we have available and to promote interest in solar observing amongst the Flamsteed membership. We’ve been running public sessions at […]

Saturn 2006.jpg

THIS EVENT IS CONFIRMED ON In the late afternoon of Saturday 25th October, the Moon will appear to “occult” or pass in front of the planet Saturn. As the skies will not be dark, this will be a difficult observation, and can only be seen with tripod mounted binoculars or telescopes. Also note that the Sun […]

Dr Rebekah Higgitt shows the group items from the reserve collection

THIS EVENT IS NOW FULLY BOOKED We’re pleased to announce that we’ve been able to arrange a return visit to the Museum’s storage facility at Kidbrooke. Many thanks to Curator of the ROG Louise Devoy, and Store Manager Bernard Bryant for all their help. The visit will take place on the afternoon of Friday October 31st. Kidbrooke […]

Heather Couper and Dr Nigel Henbest

Heather Couper is an international broadcaster and writer on astronomy, space and science. Although a trained scientist, researching at Oxford, she has spent the last twenty years working entirely in the media. She has hosted two C4 series on British television, several TV programmes, and many radio shows – including the long-running series Seeing Stars […]

Looking at Cassiopeia with Flamsteed AS, from the 28 inch dome at the ROG, Greenwich

Flamsteed viewing session with the Great Equatorial Telescope at the Royal Observatory Greenwich. Bookings are restricted to members only. Depending on numbers, we may be able to accommodate guests but we won’t know until much nearer the date. These Flamsteed sessions are free to members but places are limited and advance booking is essential. If you […]

Blackheath Stargazing

We will be holding a Blackheath observing session on Friday 14th November (with a weather back up of Saturday 15th) from 8pm. The location for this event will be Blackheath. If you are unable to bring along your own telescope, don’t worry, there will be plenty on hand to show you the sights. Blackheath is […]

NASA invites social media followers to apply for credentials to get a preview of the Orion spacecraft’s first flight test during NASA Social events Dec. 3 at each of its 10 centers. from NASA

Media accreditation is open for the launch of NASA’s next commercial cargo resupply flight to the International Space Station. from NASA

NASA is seeking proposals to develop and manufacture ultra-lightweight materials for aerospace vehicles and structures of the future. Proposals will demonstrate lower-mass alternatives to honeycomb or foam cores currently used in composite sandwich structures. from NASA

NASA astronaut Scott Kelly, who is scheduled to fly on a one-year spaceflight mission in 2015, is lending his voice to help reduce childhood bullying. As part of Bullying Prevention Awareness Month, Kelly recorded a special message encouraging bystanders to take action. from NASA

This composite NASA Hubble Space Telescope Image captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet. from NASA

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AR 2192: Giant on the Sun

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As you (safely!) watched the progress of yesterday's partial solar

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Partial Solar Eclipse of Oct. 23: See the First Photos

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The moon blocked out part of the sun on Oct. 23, 2014 to create a stunning partial solar eclipse visible to observers across the United States.

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Galaxies in Pegasus

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Galaxies in Pegasus

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LIVE: Coverage of today's partial solar eclipse. No special eye wear needed for NASA TV. Watch until 7:45 p.m. EDT: http://www.nasa.gov/nasatv

By: NASA - National Aeronautics and Space Administration

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NASA - National Aeronautics and Space Administration

The moon will pass in front of the sun today for a partial solar eclipse. Details: [video] http://youtu.be/1Rcf_QNaXK0

NEVER look directly at the sun! Create a pinhole viewer to see today's eclipse. Here's how: http://go.nasa.gov/1oyKzyx

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Sunspot Group AR 2192 Crackles

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One of the largest sunspot groups in recent years is now crossing the Sun.

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Mimas: Small Moon with a Big Crater

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Whatever hit Mimas nearly destroyed it.

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Comet Siding Spring Passes Mars

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Yesterday, a comet passed very close to Mars.

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Comet McNaught Over New Zealand

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Comet McNaught was perhaps the most photogenic comet of modern times -- from Earth.

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Melotte 15 in the Heart

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Cosmic clouds form

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Comet Siding Spring at Mars: How a Rare Celestial Event Was Discovered

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Comet Siding Spring — unknown and undiscovered until 2013 — will zoom past the Red Planet Sunday afternoon (Oct. 19) in an encounter that could help scientists better understand how the solar system came to be.

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Messier 6 and Comet Siding Spring

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Messier 6 and Comet Siding Spring

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Amazing Selfie with Comet Snapped by European Spacecraft (Photo)

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With an icy comet lurking just over its shoulder, a far-flung European spacecraft snapped a selfie in outer space.

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This extraordinary video clip was recorded at ESA - European Space Agency's Optical Ground Station (OGS) on Oct. 8 as the station illuminated the ISS with a 3.6-Watt 532-nm green laser, used for testing next-gen optical communication technologies. The video clearly shows the ISS bathed in green light as it is tracked by the OGS through the 4-minute pass at an altitude of about 420 km.

The video is a time lapse done at 7 shots per second with a reflex digital camera attached to the OGS secondary telescope.

The OGS is located at the Teide Observatory, Tenerife, Spain, which is operated by the Instituto de Astrofísica de Canarias.

The demonstration was conducted as part of ESA's #SpaceOptics SocialSpace event, 7-8 October.

More photos via http://bit.ly/spaceoptics2014

Credit: IAC/Instituto de Astrofísica de Canarias/Daniel López

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Rosetta's Selfie

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Rosetta's Selfie

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Mysterious Changing feature on Titan

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What is that changing object in a cold

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Auroral Corona over Norway

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Higher than the highest mountain lies the realm of the aurora.

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International Space Station

Several amazing women engineers and astronauts will be featured on PBS' MAKERS episode TONIGHT, "Makers: Women in Space", inlcuding the first female commander of the International Space Station, Peggy Whitson.

Also, NASA's Johnson Space Center Director Ellen Ochoa and astronauts Anna Fisher, Cady Coleman, and several former astronauts (including Eileen Collins and Shannon Lucid), are highlighted in the piece, which traces history of women pioneers in the U.S. space program.

The hour ends with the next generation of women engineers, mathematicians and astronauts—the new group of pioneers, who continue to make small but significant steps forward. Check your local listings and tune in tonight.

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Rosetta Spacecraft Spots 'Pyramid' Boulder on Comet (Photos)

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Rosetta team members have named the 82-foot-tall boulder on Comet 67P/Churyumov-Gerasimenko "Cheops," after the largest pyramid in Egypt's famous Giza complex.

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Saturn's Weird Hexagon Vortex Stuns in NASA Photo

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The jewel of the solar system has another stunning feature that only faraway spacecraft can see clearly: a hexagon-shaped vortex that's been swirling above Saturn's north pole for at least 30 years.

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Sprite Lightning in Slow Motion

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What causes sprite lightning?

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Historic Flyby: Comet to Zoom By Mars This Weekend

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Comet Siding Spring, also known as C/2013 A1, will miss the Red Planet by just 87,000 miles (140,000 kilometers) at 2:27 p.m. EDT (1827 GMT) Sunday. For comparison, the moon orbits Earth at an average distance of 239,000 miles (384,600 km).

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The Helix Nebula from Blanco and Hubble

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How did a star create the

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Eclipse at Moonrise

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Eclipse at Moonrise

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Peculiar 'Island' On Saturn Moon - New Imagery Snapped By Cassini | Video

The strange feature that appeared on the shoreline of Titan's Ligeia Mare sea was imaged by NASA's Cassini probe in July 2013 and again in August 2014.