The Royal Observatory of Madrid is a historic observatory situated on a small hill next to the

Buen Retiro Park The Buen Retiro Park (Spanish: ''Parque del Buen Retiro'', literally "Good retirement park"), Retiro Park or simply El Retiro is one of the largest parks of the city of Madrid, Spain. The park belonged to the Spanish Monarchy until the late 19th ...

Madrid Madrid ( , ) is the capital and most populous city of Spain. The city has almost 3.4 million inhabitants and a metropolitan area population of approximately 6.7 million. It is the second-largest city in the European Union (EU), and ...

, Spain. It was completed in 1790 and took over some of the work previously done by the

naval observatory United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense. Established in 1830 as the Depo ...

on the south coast. It is the seat of the Spanish National Astronomical Observatory and the Observatorio Geofísico Central, both administered by the National Geographic Institute (via its department of ''Astronomía, Geofísica y Aplicaciones Espaciales'').

Architecture

The observatory was designed by

Juan de Villanueva Juan de Villanueva (September 15, 1739 in Madrid – August 22, 1811) was a Spanish architect. Alongside Ventura Rodríguez, Villanueva is the best known architect of Spanish Neoclassicism. Biography His father was the sculptor Juan de Villa ...

, architect to

Charles III of Spain it, Carlo Sebastiano di Borbone e Farnese , house = Bourbon-Anjou , father = Philip V of Spain , mother = Elisabeth Farnese , birth_date = 20 January 1716 , birth_place = Royal Alcazar of Madrid, Spain , death_da ...

, It represents one of the highlights of Spanish

neoclassical architecture Neoclassical architecture is an architectural style produced by the Neoclassical movement that began in the mid-18th century in Italy and France. It became one of the most prominent architectural styles in the Western world. The prevailing sty ...

. Its domed

lantern A lantern is an often portable source of lighting, typically featuring a protective enclosure for the light sourcehistorically usually a candle or a oil lamp, wick in oil, and often a battery-powered light in modern timesto make it easier to ca ...

was conceived as a classical circular temple.

Equipment

Shortly after construction, the observatory was equipped with a 25-foot

reflecting telescope A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented in the 17th century by Isaac Newton as an alternati ...

William Herschel Frederick William Herschel (; german: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline ...

. The instrument was dismantled in the

Peninsular War The Peninsular War (1807–1814) was the military conflict fought in the Iberian Peninsula by Spain, Portugal, and the United Kingdom against the invading and occupying forces of the First French Empire during the Napoleonic Wars. In Spai ...

and only partially survived. It has been reconstructed in recent years.

Current use

Madrid is affected by light pollution and is not a good location for

optical astronomy Visible-light astronomy encompasses a wide variety of observations via telescopes that are sensitive in the range of visible light (optical telescopes). Visible-light astronomy is part of optical astronomy, and differs from astronomies based on in ...

. Conditions are much better in other parts of Spanish territory, notably the Canary Islands, the second-best location for optical and

infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of Light, visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from ...

astronomy in the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the Equator. For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the solar system as Earth's Nort ...

, after

Mauna Kea Observatory The Mauna Kea Observatories (MKO) are a group of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on the Big Island of Hawaiʻi, United States. The facilities are locate ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

. The observatory can be viewed by prior arrangement. The historic scientific equipment on display includes the reconstructed Hershel Telescope. The visit also takes in the library which is housed in the Villanueva building.

References

External links

Official website
{{coord, 40.4084, N, 3.6876, W, source:wikidata, display=title Astronomical observatories in Spain Buen Retiro Park Bien de Interés Cultural landmarks in Madrid Infrastructure completed in 1790 Juan de Villanueva buildings Libraries in Madrid Neoclassical architecture in Madrid Buildings and structures in Jerónimos neighborhood, Madrid

Architecture

Equipment

Current use

See also

References

External links