* Planet Orbiting a Giant Red Star Discovered with Hobby-Eberly Telescope

Dome of the 9. 2 m Hobby-Eberly Telescope.

The Hobby-Eberly Telescope ( HET ), dedicated in late 1997, is located on the summit of Mt.

* Hobby-Eberly Telescope on Mt.

It was originally planned to be a copy of the Hobby-Eberly Telescope at McDonald Observatory, but while adapting the construction plans, significant changes were introduced to its design, especially to the spherical aberration corrector.

* Hobby-Eberly Telescope Board

Hobby-Eberly Telescope at McDonald Observatory October 28, 2006.

The Hobby-Eberly Telescope is a 9. 2-meter ( 30-foot ) aperture telescope located at the McDonald Observatory.

The telescope was upgraded for use in the Hobby-Eberly Telescope Dark Energy Experiment ( HETDEX ), which will provide the first observations to allow narrowing of the list of possible explanations for dark energy.

hu: Hobby-Eberly Telescope

A subsequent search using the Hobby-Eberly Telescope also failed to confirm the planet, and further data obtained using HIRES instrument strongly contradicts its existence.

SALT shares similarities with the Hobby-Eberly Telescope ( HET ) in Texas.

* Hobby-Eberly Telescope at The University of Texas McDonald Observatory

The One-Mile Telescope is one such example.

With the development of fast Internet in the last part of the 20th century along with advances in computer controlled telescope mounts and CCD cameras ' Remote Telescope ' astronomy is now a viable means for amateur astronomers not aligned with major telescope facilities to partake in research and deep sky imaging.

* 1990 – STS-31: The Hubble Space Telescope is launched from the Space Shuttle Discovery.

The Spitzer Science Center ( SSC ), part of the Infrared Processing and Analysis Center located on the Caltech campus, is the data analysis and community support center for NASA's Spitzer Space Telescope.

* 1997 – Space Shuttle Discovery is launched on a mission to service the Hubble Space Telescope.

A writer in " Time's Telescope " ( 1822 ) states that in Yorkshire at eight o ' clock on Christmas Eve the bells greet " Old Father Christmas " with a merry peal, the children parade the streets with drums, trumpets, bells, ( or in their absence, with the poker and shovel, taken from their humble cottage fire ), the yule candle is lighted, and ; " High on the cheerful fire.

The McMath-Pierce Solar Telescope on the facilities is the largest solar telescope in the world and the largest unobstructed reflector ( it doesn't have a secondary mirror in the path of incoming light ).

The ARO 12m Radio Telescope is also in the location.

T Leporis is also a Mira variable observed in detail by ESO's Very Large Telescope Interferometer.

* 2001 – A hydrogen atmosphere is discovered on the extrasolar planet Osiris by the Hubble Space Telescope, the first atmosphere detected on an extrasolar planet.

The largest optical telescope in the world as of 2009 to use a non-segmented single-mirror as its primary mirror is the 8. 2 m ( 8. 7 yards ) Subaru telescope of the National Astronomical Observatory of Japan, located in Mauna Kea Observatory on Hawaii since 1997 ; however, this is not the largest diameter single mirror in a telescope, the U. S ./ German / Italian Large Binocular Telescope has two 8. 4 m ( 9. 2 yards ) mirrors ( which can be used together for interferometric mode ).

Its companion Fomalhaut b was thought to be the first extrasolar planet ever detected by a visible light image, thanks to the Hubble Space Telescope, but infrared observations have since retracted this claim: it is instead a spherical cloud of dust.

The array concept is named the " Allen Telescope Array " ( ATA ) ( formerly, One Hectare Telescope ) after the project's benefactor Paul Allen.

The constellation is the location of the field studied by the COSMOS project, undertaken by the Hubble Space Telescope.

The Guide Star Catalog is an online catalog of stars produced for the purpose of accurately positioning and identifying stars satisfactory for use as guide stars by the Hubble Space Telescope program.

This wavelength of light is impossible to observe on the Earth's surface, but only from space using, e. g., the Spitzer Space Telescope.

< imagemap > File: 1990s decade montage. png | From left, clockwise: The Hubble Space Telescope floats in space after it was taken up in 1990 ; American F-16s and F-15s fly over burning oil fields and the USA Lexie in Operation Desert Storm, also known as the 1991 Gulf War ; The signing of the Oslo Accords on 13 September 1993 ; The World Wide Web gains a public face during the start of decade and as a result gains massive popularity worldwide ; Boris Yeltsin and followers stand on a tank in defiance to the August Coup, which leads to the Soviet Union's dissolution on 26 December 1991 ; Dolly the sheep is the first mammal to be cloned from an adult somatic cell ; The funeral procession of Diana, Princess of Wales, who dies in 1997 from a car crash in Paris, and is mourned by millions ; Hundreds of thousands are killed in the Rwandan Genocide of 1994 .| 420px | thumb

** STS-82: Tune-up and repair work on the Hubble Space Telescope is started by astronauts from Space Shuttle Discovery.

** STS-31: The Hubble Space Telescope is launched aboard Space Shuttle Discovery.

The largest single-dish radio telescope in Europe is the 100-meter diameter antenna in Effelsberg, Germany, which also was the world's largest fully steerable telescope for 30 years until the slightly larger Green Bank Telescope was opened in West Virginia, United States, in 2000.

The third largest fully steerable radio telescope is the 76-metre Lovell Telescope at Jodrell Bank Observatory in Cheshire, England.

A large physically connected radio telescope array is the Giant Metrewave Radio Telescope, located in Pune, India.

The Very Large Telescope ( VLT ) is a telescope operated by the European Southern Observatory on Cerro Paranal in the Atacama Desert of northern Chile.

NRAO formerly operated the 12 Meter Telescope on Kitt Peak.

* The Palomar Planet Search Telescope ( PPST ), aka Sleuth, was a robotic telescope that operated from 2003 until 2008.

Located within the National Radio Quiet Zone, it is home to the Green Bank Telescope, the world's largest fully steerable radio telescope, which is operated by the National Radio Astronomy Observatory ( NRAO ).

The telescope was operated by the Schmidt Telescope Unit of the Royal Observatory, Edinburgh until 1988, when it was agreed that control would be handed over to the AAO.

The Anglo-Australian Telescope ( AAT ) is a 3. 9 m equatorially mounted telescope operated by the Australian Astronomical Observatory and situated at the Siding Spring Observatory, Australia at an altitude of a little over 1100 m. In 2009, the telescope was ranked as the 5th highest-impact of the world's optical telescopes.

A 8 " refractor dating from 1864, known as the Thorrowgood Telescope belongs to the Royal Astronomical Society and is operated at the Cambridge Observatory.

Other telescopes at OHP are operated by other organizations, including a 1 m telescope belonging to Geneva Observatory, a 0. 5 m telescope operated by the French Space Agency for satellite tracking, and the Berlin Exoplanet Search Telescope, a 0. 2 m telescope used to search for exoplanets by observing transits across solar-type stars.

The 1. 2 metre UK Schmidt Telescope ( UKST ) is operated by the Australian Astronomical Observatory ( formerly the Anglo-Australian Observatory ), and located adjacent to the 3. 9 metre Anglo-Australian Telescope at Siding Spring Observatory, Australia.

The 2. 3 m Telescope at Siding Spring Observatory is operated by the Australian National University.

The Faulkes Telescope North, part of the Faulkes Telescope Project, is a reflecting telescope owned and operated by the Las Cumbres Observatory Global Telescope Network.

The 22-metre Mopra Radio Telescope, located near Coonabarabran, New South Wales, is part of the Australia Telescope National Facility, operated by CSIRO.

The Automated Patrol Telescope ( APT ) is a wide-field CCD imaging telescope, which is operated by the University of New South Wales at Siding Spring Observatory, Australia.

* Spitzer Space Telescope, a space telescope operated by NASA that is named after Lyman Spitzer

The Observatory also purchased Earnshaw's second clock which was operated at sidereal rate with Edward Troughton's Equatorial Telescope.

The Radcliffe Telescope was commissioned for the Radcliffe Observatory in Pretoria and was operated between 1948 and 1972.

The Mercator Telescope is a 1. 2m telescope, operated by the Katholieke Universiteit Leuven ( Leuven University ), Belgium, in collaboration with the Observatory of the University of Geneva.