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Either of the ones behind me would be nice to have too 😊😊😊.
From left to right: the Subaru Telescope, the Keck I and II Telescopes, and the NASA Infrared Telescope Facility.
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United Kingdom Infrared Telescope.
Wikipedia: UKIRT, the United Kingdom Infra-Red Telescope, is a 3.8 meter (150 inch) infrared reflecting telescope, the second largest dedicated infrared (1 to 30 micrometers) telescope in the world. Until 2014 it was operated by the Joint Astronomy Centre in Hilo and located on Mauna Kea, Hawai'i as part of Mauna Kea Observatory. It was owned by the United Kingdom Science and Technology Facilities Council. UKIRT is currently being funded by NASA and operated under scientific cooperation between Lockheed Martin Advanced Technology Center, the University of Hawaii, and the U. S. Naval Observatory. The telescope is set to be decommissioned after completion of the Thirty Meter Telescope as part of the Mauna Kea Comprehensive Management Plan.
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UH88:
Wikipedia: The University of Hawai'i 88-inch (2.24-meter) telescope called UH88, UH2.2, or simply 88 by members of the local astronomical community is situated at the Mauna Kea Observatories and operated by the University's Institute for Astronomy. It was constructed in 1968, and entered service in 1970, at which point it was known as "The Mauna Kea Observatory." It became one of the first professional telescope to be controlled by a computer. The telescope was built with funding from NASA, to support Solar System missions and is controlled by the University of Hawai'i. The success of the telescope helped demonstrate the value of Mauna Kea for astronomical observations.
On December 4, 1984 it became the first telescope to make optical closure phase measurements on an astronomical source using an aperture mask.
UH88 is a Cassegrain reflector tube telescope with an f/10 focal ratio, supported by a large open fork equatorial mount. It was the last telescope on Mauna Kea to use a tube design rather than an open truss, and is the largest in the complex to use an open fork mount, with neighboring telescopes in the 3-meter class using English fork designs.
As the only research telescope controlled solely by the University, UH88 has long been the primary telescope used by its professors, postdoctoral scholars and graduate students, and as a result, the site of numerous discoveries. David C. Jewitt and Jane X. Luu discovered the first Kuiper belt object, 15760 Albion using UH88, and a team led by Jewitt and Scott S. Sheppard discovered 45 of the known moons of Jupiter, as well as moons of Saturn, Uranus and Neptune.
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Description: CFHT and Gemini North telescopes.
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James Clerk Maxwell Telescope: Wikipedia: The James Clerk Maxwell Telescope (JCMT) is a sub-millimeter-wavelength telescope at Mauna Kea Observatory in Hawaii. The telescope is near the summit of Mauna Kea at 13,425 feet (4,092 m). Its primary mirror is 15 meters (16.4 yards) across: it is the largest single-dish telescope that operates in sub-millimeter wavelengths of the electromagnetic spectrum (far-infrared to microwave). Scientists use it to study the Solar System, interstellar dust and gas, and distant galaxies.
The JCMT started operations in 1987, and was funded until February 2015 by a partnership between the United Kingdom and Canada, and the Netherlands. It was operated by the Joint Astronomy Center and was named in honor of mathematical physicist James Clerk Maxwell. In March 2015 the operation of the JCMT was taken over by the East Asian Observatory.
The telescope was combined with the Caltech Sub-millimeter Observatory next to it, to form the first sub-millimeter interferometer. This success was important in pushing ahead the construction of the later Sub-millimeter Array and the Atacama Large Millimeter Array interferometers. In recent years it has also taken part in Event Horizon Telescope observations, which produced the first direct image of a black hole.
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Description: Caltech Sub-millimeter Observatory: Wikipedia: The Caltech Sub-millimeter Observatory (CSO) was a 10.4-meter (34 ft) diameter sub-millimeter wavelength telescope situated alongside the 15-meter (49 ft) James Clerk Maxwell Telescope (JCMT) at Mauna Kea Observatories. It was engaged in sub-millimeter astronomy, of the terahertz radiation band. The telescope closed on September 18, 2015. As of April 2019, the telescope is set to be dismantled and its site remediated in the near future as part of the Mauna Kea Comprehensive Management Plan.
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Description: Gemini North Telescope: Wikipedia: The Gemini Observatory is an astronomical observatory consisting of two 8.1-metre (26.6 ft) telescopes, Gemini North and Gemini South, which are located at two separate sites in Hawaii and Chile, respectively. The twin Gemini telescopes provide almost complete coverage of both the northern and southern skies. They are currently among the largest and most advanced optical/infrared telescopes available to astronomers. The Gemini telescopes house a suite of modern instruments, offer superb performance in the optical and near-infrared, and employ sophisticated adaptive optics technology to compensate for the blurring effects of the Earth's atmosphere. Gemini is a world-leader in wide-field adaptive optics assisted infrared imaging, and has recently commissioned the Gemini Planet Imager, an instrument that allows researchers to directly image and analyze exoplanets that are a millionth as bright as the host star around which they orbit. Gemini continues to support research in almost all areas of modern astronomy, including the Solar System, exoplanets, star formation and evolution, the structure and dynamics of galaxies, supermassive black holes, distant quasars, and the structure of the Universe on the largest scales.
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Description: UH88 from the lower part.
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Description: All the mirrors.
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Description: Top of Mauna Kea from the valley (Waimea) (taken with Williams Z61 and Canon 50D).
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