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Royal Observatory Greenwich

One of the most important sites in the world, the Royal Observatory is the historic home of British astronomy, Greenwich Mean Time and the Prime Meridian of the world.

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Diagram of the Comet of 1858
Telescopic appearance of the moon, backlit
A Chart of the Heavens
A Chart of the Heavens for the Latitude of London, c.1825
A meteor seen over Paddington, London, 11 February 1850
Comet
Eclipse
Eclipses
Looking at Halley's Comet, watercolour by John James Chalon (1835)
Moonlight View Over Table Bay Showing the Great Comet of 1843
Observing an Eclipse of the Sun
Print of an original wall hanging, showing nebulae
Print of an original wall hanging, showing six comets, c.1850-1860
Print of an original wall hanging, showing the Solar System, c.1850-1860
Print of an original wall hanging, showing two comets, c.1850-1860
Print of an original wall hanging, showing two star clusters, c.1850-1860
Solar Eclipse, 1919
The Elements of Astronomy and Geography Explained
The Elements of Astronomy and Geography Explained II
The Great Comet of 1843
The Great Equatorial Telescope
The Moon by John Russell (c.1787)
The Moon II
The Moon in near total lunar eclipse II, 1910
The Moon in near total lunar eclipse, 1910
The Moon in partial lunar eclipse II, 1910
The Moon in Partial Lunar Eclipse III, 1910
The Moon in partial lunar eclipse, 1910
The Moon, 1903
The Moon, first quarter, 1899
The Orrery, engraving by John Hinton, 1749
The Royal Observatory, Greenwich

It was founded by Charles II in 1675 and now welcomes visitors around the globe to stand at the centre of world time.