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  2. List of highest astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_highest...

    These include the Chacaltaya Astrophysical Observatory in Bolivia, which at 5,230 m (17,160 ft) was the world's highest permanent astronomical observatory [9] from the time of its construction during the 1940s until surpassed in 2009 by the new University of Tokyo Atacama Observatory, [10] an optical-infrared telescope on a remote 5,640 m ...

  3. List of astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Educational observatory This is a partial list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and location. The list also includes a final year of operation for many observatories that are no longer in operation.

  4. List of largest optical reflecting telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_optical...

    This table does not include all the largest mirrors manufactured. The Steward Observatory Mirror Lab produced the 6.5 metre f/1.25 collimator used in the Large Optical Test and Integration Site of Lockheed Martin, used for vacuum optical testing of other telescopes. Segmented mirrors are also referred to as mosaic mirrors. Single mirrors are ...

  5. Arecibo Observatory - Wikipedia

    en.wikipedia.org/wiki/Arecibo_Observatory

    The observatory's main instrument was the Arecibo Telescope, ... Completed in 1963, it was the world's largest single-aperture telescope for 53 years, ...

  6. Gran Telescopio Canarias - Wikipedia

    en.wikipedia.org/wiki/Gran_Telescopio_Canarias

    The Gran Telescopio Canarias (GranTeCan or GTC) is a 10.4 m (410 in) reflecting telescope located at the Roque de los Muchachos Observatory on the island of La Palma, in the Canary Islands, Spain. It is the world's largest single-aperture optical telescope. [1] Construction of the telescope took seven years and cost €130 million.

  7. Mount Wilson Observatory - Wikipedia

    en.wikipedia.org/wiki/Mount_Wilson_Observatory

    The observatory contains two historically important telescopes: the 100-inch (2.5 m) Hooker telescope, which was the largest aperture telescope in the world from its completion in 1917 to 1949, and the 60-inch telescope which was the largest operational telescope in the world when it was completed in 1908.

  8. List of largest optical telescopes historically - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_optical...

    World's largest glass mirror reflector 1889, sold to Harvard 1904, moved to South Africa 1920s (Boyden Observatory) where it was largest telescope in the southern hemisphere. Ealing , Harvard College Observatory , Cambridge, Massachusetts, USA; Boyden Observatory , South Africa

  9. List of large optical telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_large_optical...

    This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time. In 1900 a 1-meter reflector would be among the largest in the world, but by 2000, would be relatively common for professional observatories.

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