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Royal Observatory Greenwich
Latitude and Longitude
Airy Transit Circle (ATC)
WGS84 and the Greenwich Meridian
The Greenwich Meridian before the ATC
The Quest for Longitude
International Meridian Conference (1884)
Meridian Day (1984)
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Telescopes used with Meridian Marks
 
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LocationSpain
Valencia
Castellón de la Plana
Parque del Meridiano
Distance (S) from Greenwich
WGS84 lat/long39.998800, -0.001150
TypeObelisk/Pillar
Marking date1988
AccessUnrestricted
North
North
All
South
South
North
North
Type
South
South
Currently viewing images from 13 Aug 2006
Click to choose image set
13 Aug 2006

Additional picture credits
luchana (13 Aug 2006).

This mark designates the spot where the Meridian cuts the 40th parallel – a degree confluence. It is the only degree confluence on the meridian to be specially marked. Its nominal coordinates are: latitude 40ºN, longitude 0ºW.

Additional images available via the link below.

Image: set of 9 showing detail (1 Apr 2001)