The Real Instituto y Observatorio de la Armada (Royal Institute and Observatory of the Spanish Navy) is the scientific institute and astronomical observatory of the Spanish Navy (Armada), located in San Fernando in the Province of Cádiz, Andalusia, Spain.

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Real Instituto y Observatorio de la Armada

Alternative names	Instituto y Observatorio de Marina de San Fernando
Observatory code	983
Location	Province of Cádiz, Andalusia, Spain
Coordinates	36°27′54″N 6°12′21″W
Website	www.armada.mde.es/roa
Location of Real Instituto y Observatorio de la Armada
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History

It was founded in 1753.[1] Astronomy was of particular importance to the navy in the context of navigation.[2] In 1790 the Royal Observatory in Madrid was built to take over the purely astronomical work of the facility at San Fernando.

Current activities

In recent years the observatory has been adversely affected by light pollution. However, it uses laser technology to monitor pieces of space junk.[2]

The observatory operated a time ball so that ships at sea could synchronize their clocks. After better timekeeping at sea made it obsolete, it was disabled, but it was reactivated in the late 20th century every day at 13:00.[3]

See also

• ROA Time

References

External links

• Official website

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[es] Real Instituto y Observatorio de la Armada