Roque de los Muchachos Observatory

Roque de los Muchachos Observatory (Spanish: Observatorio del Roque de los Muchachos, ORM) is an astronomical observatory located in the municipality of Garafía on the island of La Palma in the Canary Islands. The observatory site is operated by the Instituto de Astrofísica de Canarias, based on nearby Tenerife. ORM is part of the European Northern Observatory.

Roque de los Muchachos Observatory
Overview of some of the telescopes at the Roque de los Muchachos Observatory.
Alternative namesORM 
OrganizationInstituto de Astrofísica de Canarias 
Observatory code 950 
LocationRoque de los Muchachos, Province of Santa Cruz de Tenerife, Spain
Coordinates28°45′49″N 17°53′41″W
Altitude2,396 m (7,861 ft)
Established29 June 1985 
Websitewww.iac.es/eno.php?op1=2&lang=en
TelescopesFACT (Telescope)
Carlsberg Meridian Telescope
Dutch Open Telescope
Galileo National Telescope
Gran Telescopio Canarias
HEGRA
Isaac Newton Group of Telescopes
Isaac Newton Telescope
Jacobus Kapteyn Telescope
Liverpool Telescope
MAGIC
MASCARA
Mercator Telescope
Nordic Optical Telescope
Swedish Solar Telescope
Wide Angle Search for Planets
William Herschel Telescope 
Location of Roque de los Muchachos Observatory
Related media on Wikimedia Commons

The seeing statistics at ORM make it the second-best location for optical and infrared astronomy in the Northern Hemisphere, after Mauna Kea Observatory, Hawaii. The site also has some of the most extensive astronomical facilities in the Northern Hemisphere; its fleet of telescopes includes the 10.4 m Gran Telescopio Canarias, the world's largest single-aperture optical telescope as of July 2009,[1] the William Herschel Telescope (second largest in Europe), and the adaptive optics corrected Swedish 1-m Solar Telescope.

The observatory was established in 1985, after 15 years of international work and cooperation of several countries with the Spanish island hosting many telescopes from Britain, The Netherlands, Spain, and other countries. The island provided better seeing conditions for the telescopes that had been moved to Herstmonceux by the Royal Greenwich Observatory, including the 98 inch aperture Isaac Newton Telescope (the largest reflector in Europe at that time). When it was moved to the island it was upgraded to a 100-inch (2.54 meter), and many even larger telescopes from various nations would be hosted there.

History

The building of the observatory traces to 1969, with the start of the Northern Hemisphere Observatory project.[2] After ten years of research on the site there is big international agreement with several nations to establish an international Observatory at La Palma.[3]

The former Royal Greenwich Observatory at Herstmonceux, which lead to a search for a better location for the large telescopes

The observatory began operation around 1984 with the Isaac Newton Telescope, which was moved to La Palma from the Royal Greenwich Observatory site at Herstmonceux Castle in Sussex, England. The move was troubled, and it is widely recognized that it would have been cheaper to build a new telescope on-site rather than to move an existing one.

The observatory was first staffed by representatives from Spain, Sweden, Denmark and the United Kingdom. Other countries which became involved later include Germany, Italy, Norway, the Netherlands, Finland, Iceland, and the United States.

The observatory was officially inaugurated on June 29, 1985, by the Spanish royal family and six European heads of state. Four helicopter pads were built at the observatory to allow the dignitaries to arrive in comfort. The observatory has expanded considerably over time, with the 4.2m William Herschel Telescope opened in 1987, the Nordic Optical Telescope in 1988 and several smaller solar or specialized telescopes; the Galileo National Telescope opened in 1998 and the Gran Telescopio Canarias opened in 2006, with its full aperture in 2009.

A fire on the mountainside in 1997 damaged one of the gamma-ray telescopes, but subsequent fires in September 2005 and August 2009[4] did no serious damage to buildings or telescopes.

In 2016, the Instituto de Astrofisica de Canarias and Cherenkov Telescope Array Observatory signed an agreement to host Cherenkov Telescope Array’s northern hemisphere array at the ORM.

In 2016, the observatory was announced as the second-choice location for the Thirty Meter Telescope, in the event that the Mauna Kea site is not feasible.[5]

Telescopes/observatories

The Spanish island is host to the premiere collection of telescopes and observatories from around the World, for the northern hemisphere excluding the Hawaiian islands which has a different mix of telescopes. However, even the southern hemisphere there is no equal to the 10.4 meter Grand Telescope Canarias, which has the largest single aperture for an astronomical observatory in the World.

  • Several of the helicopter pads built for the inauguration ceremony can be seen under the now dismantled HEGRA array
  • Telescopes at the observatory at sunset, from left to right: the NOT, the WHT, the DOT, the SST, the Mercator Telescope and the ING
  • Picture of the 10m Gran Telescopio Canarias building under construction in March 2003
  • Picture of the Nordic Optical Telescope (NOT)
  • Large-Sized-Telescope 1 of the Cherenkov Telescope Array
360 degrees panorama as taken on 2011 January 28
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See also

References
  1. Klotz, Irene (24 July 2009). "New telescope is world's largest ... for now". Discovery. Archived from the original on 9 April 2013. Retrieved 27 May 2019 – via NBC News.
  4. "Fires rage across Canary island". BBC News. 3 August 2009. Archived from the original on 2 August 2009. Retrieved 12 July 2013.
  5. "Statement Regarding Selection of Alternate Site for TMT". Thirty Meter Telescope. 31 October 2016. Archived from the original on 1 November 2016. Retrieved 1 November 2016.
  6. Leverington, David (2017). Observatories and Telescopes of Modern Times. Cambridge University Press. ISBN 9780521899932.
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