Timeline of telescopes, observatories, and observing technology. For the novel by Michael Crichton, see Timeline (novel). ... This article does not cite any references or sources. ... MolÄ—tai Astronomical Observatory An observatory is a location used for observing terrestrial and/or celestial events. ... By the mid 20th century humans had achieved a mastery of technology sufficient to leave the surface of the Earth for the first time and explore space. ...

Before Common Era (B.C.)

300

• Thirteen Towers solar observatory, Chankillo, Peru

Chankillo or Chanquillo is an ancient monument complex in the Peruvian coastal desert. ...

Common Era (A.D.)

1000s

• 1000 - Mokattam observatory, Egypt for al-Hakim bi-Amr Allah
• 1023 - Hamadan observatory
• ca. 1030 - Treasury of Optics by Ibn al-Haytham of Egypt Alhazen
• 1074-92 - Malikshah observatory at Isfahan used by Khayyam

Tāriqu l-Ḥakīm, called bi Amr al-Lāh (Arabic الحاكم بأمر الله Ruler by Gods Command), was the sixth Fatimid Caliph in Egypt, ruling from 996 to 1021. ... (Arabic: أبو علي الحسن بن الحسن بن الهيثم, Latinized: Alhacen or (deprecated) Alhazen) (965 – 1039), was an Arab[1] Muslim polymath[2][3] who made significant contributions to the principles of optics, as well as to anatomy, astronomy, engineering, mathematics, medicine, ophthalmology, philosophy, physics, psychology, visual perception, and to science in general with his introduction of the... Alhazen Abu Ali al-Hasan Ibn Al-Haitham (also: Ibn al Haitham) (965-1040) (Arabic: أبو علي الحسن بن الهيثم) was an Arab Muslim mathematician; he is sometimes called al-Basri (Arabic: البصري), after his birthplace Basra, Arab Islamic Caliphate (now Iraq). ... For other people, places or with similar names of Khayam, see Khayyam (disambiguation). ...

1100s

• 1119-25 - Cairo al-Bataihi observatory for al-Afdal

1200s

• 1252-72 - Alphonsine tables recorded
• 1259 - Maragha Observatory and library of Nasir al-Din al-Tusi by Mangu under Khan Hulagu
• ca. 1270 - Terrace for Managing Heaven 26 observatory network of Guo Shoujing under Khubilai Khan

Tusi couple from Vat. ... Hulagu Khan (also known as Hülegü, and Hulegu) (1217–8 February 1265) was a Mongol ruler who conquered much of Southwest Asia. ... Guo Shoujing (Chinese: 郭守敬; Hanyu Pinyin: ; Wade-Giles: Kuo Shou-ching) (1231 – 1316) was a Chinese astronomer, engineer, and mathematician. ... Kublai Khan or Khubilai Khan (1215 - 1294), Mongol military leader, was Khan (1260-1294) of the Mongol Empire and founder and first Emperor (1279-1294) of the Yuan Dynasty. ...

1400s

• 1417 - Speculum Planetarum by Simones de Selandia
• 1420 - Samarkand observatory of Ulugh Beg
• 1442 - Beijing Ancient Observatory
• 1467-71 - Observatory at Oradea, Hungary for Matthias Corvinus
• 1472 - Nuremberg observatory

Samarkand (Tajik: Самарқанд, Persian: ‎ , Uzbek: , Russian: ), population 412,300 in 2005, is the second-largest city in Uzbekistan and the capital of Samarqand Province. ... Ulugh Beg, here depicted on a Soviet stamp, was one of Islams greatest astronomers during the Middle Ages. ... The armillary sphere The Beijing Ancient supersweetasticyobolicawsemness Observatory (Traditional Chinese: , Simplified Chinese: ; pinyin: bÄ›i jÄ«ng gÇ” guān xiàng tái) is a pretelescopic observatory located in Beijing, China. ... County Bihor County Status County capital Mayor Petru Filip, Democratic Party, since 2000 Area 111. ... Matthias Corvinus (Mátyás in Hungarian), (February 23, 1443 (?) - April 6, 1490) was one of the greatest Kings of Hungary, ruling between 1458 and 1490. ... “Nürnberg” redirects here. ...

1500s

• 1540 Apian "Astronomicum Caesareum"
• 1560 - Kassel observatory under Landgrave Wilhelm IV of Hesse
• 1575-80 - Istanbul observatory of al-Din under Sultan Murad III
• 1576 - Royal Danish Astronomical Observatory Uraniborg at Hven by Tycho Brahe
• 1581 - Royal Danish Astronomical Observatory Stjerneborg at Hven by Tycho Brahe

William IV, landgrave of Hesse (1532-1592), was the son and successor of the landgrave Philip the Magnanimous. ... The Istanbul observatory of al-Din was one of the greatest telescopes and astronomical observatories ever built in the Islamic world. ... Murad III Murad III (July 4, 1546 – January 15, 1595) was the sultan of the Ottoman Empire from 1574 until his death. ... Uraniborg was the astronomical/astrological observatory of Tycho Brahe; built circa 1576-1580 on Hven (also known as Ven or Hveen), an island in the Öresund; between Zealand and Scania. ... Map of Hven from the Blaeu Atlas 1663 Backafall, the east coast of Hven Hven or Ven (Swedish and Danish usually Ven, but sometimes Hven which is Swedish old spelling) is a small Swedish island in the Öresund strait, between Scania and Zealand (Denmark). ... Monument of Tycho Brahe and Johannes Kepler in Prague Tycho Brahe, born Tyge Ottesen Brahe (December 14, 1546 – October 24, 1601), was a Danish nobleman from the region of Scania (in modern-day Sweden), best known today as an early astronomer, though in his lifetime he was also well known... Stjerneborg was Tycho Brahes underground observatory next to his palace-observatory Uraniborg. ... Map of Hven from the Blaeu Atlas 1663 Backafall, the east coast of Hven Hven or Ven (Swedish and Danish usually Ven, but sometimes Hven which is Swedish old spelling) is a small Swedish island in the Öresund strait, between Scania and Zealand (Denmark). ... Monument of Tycho Brahe and Johannes Kepler in Prague Tycho Brahe, born Tyge Ottesen Brahe (December 14, 1546 – October 24, 1601), was a Danish nobleman from the region of Scania (in modern-day Sweden), best known today as an early astronomer, though in his lifetime he was also well known...

1600s

• 1600 - Prague observatory in Benátky nad Jizerou by Tycho Brahe
• 1603 - Johann Bayer's Uranometria
• 1608 - Hans Lippershey tries to patent an optical refracting telescope
• 1609 - Galileo Galilei builds his first optical refracting telescope
• 1633 - Construction of Leiden University Observatory
• 1641 - William Gascoigne invents telescope cross hairs
• 1641 - Danzig/Gdansk observatory of Jan Hevelius
• 1642 - Copenhagen University Royal observatory
• 1661 - James Gregory proposes an optical reflecting telescope
• 1667 - Paris Observatory
• 1668 - Isaac Newton constructs the first optical reflecting telescope
• 1672 - Laurent Cassegrain designs the Cassegrain telescope
• 1675 - Royal Greenwich Observatory of England

Monument of Tycho Brahe and Johannes Kepler in Prague Tycho Brahe, born Tyge Ottesen Brahe (December 14, 1546 – October 24, 1601), was a Danish nobleman from the region of Scania (in modern-day Sweden), best known today as an early astronomer, though in his lifetime he was also well known... Johann Bayer (1572 – March 7, 1625) was a German astronomer. ... Uranometrias engraving of the constellation Orion, courtesy of the US Naval Observatory Library Uranometria is the short title of a star atlas produced by Johann Bayer. ... Events March 18 - Sissinios formally crowned Emperor of Ethiopia May 14 - Protestant Union founded in Auhausen. ... Hans Lippershey (1570–September 1619) was a Dutch lensmaker. ... This article does not cite any references or sources. ... // Events April 4 – King of Spain signs an edit of expulsion of all moriscos from Spain April 9 – Spain recognizes Dutch independence May 23 - Official ratification of the Second Charter of Virginia. ... Galileo Galilei (15 February 1564 – 8 January 1642) was an Italian physicist, mathematician, astronomer, and philosopher who is closely associated with the scientific revolution. ... Events February 13 - Galileo Galilei arrives in Rome for his trial before the Inquisition. ... The Leiden Observatory (Sterrewacht Leiden) is an optical observatory in the city of Leiden in the Netherlands. ... Events The Long Parliament passes a series of legislation designed to contain Charles Is absolutist tendencies. ... Sir William Gascoigne (c. ... Events January 4 - Charles I attempts to arrest five leading members of the Long Parliament, but they escape. ... 1661 (MDCLXI) was a common year starting on Saturday of the Gregorian calendar (or a common year starting on Tuesday of the 10-day slower Julian calendar). ... James Gregory For other people with the same name, see James Gregory. ... // Events January 20 - Poland cedes Kyiv, Smolensk, and eastern Ukraine to Russia in the Treaty of Andrusovo that put a final end to the Deluge, and Poland lost its status as a Central European power. ... This article does not cite any references or sources. ... 1668 (MDCLXVIII) was a leap year starting on Sunday of the Gregorian calendar (or a leap year starting on Wednesday of the 10-day slower Julian calendar). ... Sir Isaac Newton FRS (4 January 1643 – 31 March 1727) [ OS: 25 December 1642 – 20 March 1727][1] was an English physicist, mathematician, astronomer, natural philosopher, and alchemist. ... Events England, France, Munster and Cologne invade the United Provinces, therefore this name is know as ´het rampjaar´ (the disaster year) in the Netherlands. ... Light path in a Cassegrain reflector Laurent Cassegrain was a Catholic priest born in the region of Chartres around 1629 and died at Chaudon (Eure-et-Loir) on August 31, 1693. ... Year 1675 (MDCLXXV) was a common year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Friday of the 10-day slower Julian calendar). ... Royal Observatory, Greenwich The original site of the Royal Greenwich Observatory (RGO), which was built as a workplace for the Astronomer Royal, was on a hill in Greenwich Park in Greenwich, London, overlooking the River Thames. ...

1700s

• 1704 - First observatory at Cambridge University (based at Trinity College)
• 1724 - Indian observatory of Sawai Jai Singh at Delhi
• 1725 - St. Petersburg observatory at Royal Academy
• 1732 - Indian observatories of Sawai Jai Singh at Varanasi, Ujjain, Mathura, Madras
• 1733 - Chester Moor Hall invents the achromatic lens refracting telescope
• 1734 - Indian observatory of Sawai Jai Singh at Jaipur
• 1753 - Vilnius observatory at Vilnius University, Lithuania
• 1758 - John Dollond reinvents the achromatic lens
• 1761 - Joseph-Nicolas Delisle 62 observing station network for observing the transit of Venus
• 1769 - Short reflectors used at 63 station network for transit of Venus
• 1780 - Florence Specola observatory
• 1789 - William Herschel finishes a 49-inch (1.2-meter) optical reflecting telescope, located in Slough, England

Events Building of the Students Monument in Aiud, Romania. ... The University of Cambridge (often Cambridge University), located in Cambridge, England, is the second-oldest university in the English-speaking world and has a reputation as one of the worlds most prestigious universities. ... Full name The College of the Holy and Undivided Trinity Motto Virtus vera nobilitas Virtue is true Nobility Named after The Holy Trinity Previous names King’s Hall and Michaelhouse (until merged in 1546) Established 1546 Sister College(s) Christ Church Master The Lord Rees of Ludlow Location Trinity Street... Events January 14 - King Philip V of Spain abdicates the throne February 20 - The premiere of Giulio Cesare, an Italian opera by George Frideric Handel, takes place in London June 23 - Treaty of Constantinople signed. ... For other uses, see Delhi (disambiguation). ... Events February 8 - Catherine I became empress of Russia February 20 - The first reported case of white men scalping Native Americans takes place in New Hampshire colony. ... Events February 23 - First performance of Handels Orlando, in London June 9 - James Oglethorpe is granted a royal charter for the colony of Georgia. ... , VārāasÄ« ( , Hindi: , IPA: ), also known as Benares, Banaras, or Benaras ( , Hindi: , , IPA: ), or Kashi or Kasi ( , Hindi: , ), is a famous Hindu holy city situated on the banks of the river Ganges (Ganga) in the Indian state of Uttar Pradesh. ... , Ujjain   (Hindi:उज्जैन) (also known as Ujain, Ujjayini, Avanti, Avantikapuri) is an ancient city of central India, in the Malwa region of the Indian state of Madhya Pradesh, on the eastern bank of the Kshipra River. ... , Mathura   (Hindi: मथुरा, Urdu: متھرا) is a holy city in the Indian state of Uttar Pradesh. ... Madras refers to: the Indian city of Chennai, formerly known as Madras, the former Indian state, now known as Tamil Nadu (Plural of Madra): Ancient people of Iranian affinites, who lived in northwest Panjab in the Uttarapatha division of ancient India. ... Events February 12 - British colonist James Oglethorpe founds Savannah, Georgia. ... Chester Moore Hall (1703–1771) was a British lawyer who produced the first achromatic lenses in 1729 or 1733 (accounts differ). ... Diagram of an achromatic lens (doublet). ... Events January 8 - Premiere of George Frideric Handels opera Ariodante at the Royal Opera House, Covent Garden. ... , Jaipur   (Hindi: जयपुर, Rajasthan Capital), also popularly known as the Pink City, historically sometimes rendered as Jeypore, is the capital of Rajasthan state, India. ... 1753 was a common year starting on Monday (see link for calendar). ... Year 1758 (MDCCLVIII) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Thursday of the 11-day slower Julian calendar). ... John Dollond (June 10, 1706 - November 30, 1761) was an English optician. ... 1761 was a common year starting on Thursday (see link for calendar). ... One of the 11 sons of Claude Delisle (1644–1720), Joseph-Nicolas Delisle was born in Paris on April 4, 1688. ... The 2004 transit of Venus A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth, obscuring a small portion of the Suns disk. ... 1769 was a common year starting on Sunday (see link for calendar). ... James Short (June 10, 1710 – June 15, 1768) was an British mathematician, optician and telescope maker. ... The 2004 transit of Venus A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth, obscuring a small portion of the Suns disk. ... 1780 was a leap year starting on Saturday (see link for calendar). ... Year 1789 (MDCCLXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Monday of the 11-day slower Julian calendar). ... For other persons named William Herschel, see William Herschel (disambiguation). ... Slough (pronounced ) is a town and unitary authority in the county of Berkshire in the south of England. ...

1800s

• 1840 - J.W. Draper invents astronomical photography and photographs the Moon
• 1845 - Lord Rosse finishes the Birr Castle 72-inch optical reflecting telescope, located in Parsonstown, Ireland
• 1849 - Santiago observatory set up by USA, later becomes Chilean National
• 1859 - Kirchoff and Bunsen develop spectroscopy
• 1864 - Herschel's so-called GC (General Catalogue) of nebulae and star clusters published
• 1868 - Janssen and Lockyer discover Helium observing spectra of Sun
• 1871 - German Astronomical Association organized network of 13 (later 16) observatories for stellar proper motion studies
• 1872 - Henry Draper invents astronomical spectral photography and photographs the spectrum of Vega
• 1878 - Dreyer published a supplement to the GC of about 1000 new objects
• 1887 - Paris conference institutes Carte du Ciel project to map entire sky to 14th magnitude photographically
• 1888 - First light of 91cm refracting telescope at Lick Observatory, on Mount Hamilton near San Jose, California
• 1889 - Astronomical Society of the Pacific founded
• 1890 - Albert Michelson proposes the stellar interferometer
• 1892 - George Ellery Hale finishes a spectroheliograph, which allows the Sun to be photographed in the light of one element only
• 1897 - Alvan Clark finishes the Yerkes 40-inch optical refracting telescope, located in Williams Bay, Wisconsin

1840 is a leap year starting on Wednesday (link will take you to calendar). ... Astrophotography is a specialised type of photography that entails making photographs of astronomical objects in the night sky such as planets, stars, and deep sky objects such as star clusters and galaxies. ... This article is about Earths moon. ... 1845 was a common year starting on Wednesday (see link for calendar). ... Lord Rosse William Parsons, 3rd Earl of Rosse KP (June 17, 1800 – October 31, 1867) was born in Monkstown, County Cork and was an Irish astronomer. ... The Leviathan of Parsonstown is a telescope located at Birr Castle. ... WGS-84 (GPS) Coordinates: 53. ... 1849 was a common year starting on Monday (see link for calendar). ... Year 1859 (MDCCCLIX) was a common year starting on Saturday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Thursday of the 12-day slower Julian calendar). ... 1864 (MDCCCLXIV) was a leap year starting on Friday (see link for calendar) of the Gregorian calendar or a leap year starting on Sunday of the 12-day-slower Julian calendar. ... Notable people or families with the surname Herschel include: Sir William Herschel (1738-1822), astronomer and composer, discoverer of Uranus Carolyn Lucretia Herschel (1750-1848), astronomer and singer, sister of Sir William Herschel John Frederick William Herschel (1792-1871), mathematician and astronomer, son of Sir William Herschel Alexander Stewart Herschel... Year 1868 (MDCCCLXVIII) was a leap year starting on Wednesday (link will display the full calendar) of the Gregorian Calendar (or a leap year starting on Monday of the 12-day slower Julian calendar). ... 1871 (MDCCCLXXI) was a common year starting on Sunday (see link for calendar). ... Year 1872 (MDCCCLXXII) was a leap year starting on Monday (link will display the full calendar) of the Gregorian Calendar (or a leap year starting on Saturday of the 12-day slower Julian calendar). ... Henry Draper (March 7, 1837 – November 20, 1882) was an American doctor and astronomer. ... The visible spectrum is the portion of the optical spectrum (light or electromagnetic spectrum) that is visible to the human eye. ... For other uses, see Vega (disambiguation). ... 1878 (MDCCCLXXVIII) was a common year starting on Tuesday (see link for calendar). ... 1887 (MDCCCLXXXVII) is a common year starting on Saturday (click on link for calendar) of the Gregorian calendar or a common year starting on Monday of the Julian calendar. ... Carte du Ciel (Map of the Sky) was an international project to map the positions of millions of stars — that is to say, of all stars to the 11th or 12th magnitude. ... For the toll-free telephone number see Toll-free telephone number Year 1888 (MDCCCLXXXVIII) was a leap year starting on Sunday (click on link for calendar) of the Gregorian calendar (or a leap year starting on Friday of the 12-day slower Julian calendar). ... The Lick Observatory is an astronomical observatory, owned and operated by the University of California. ... Mount Hamilton is a mountain in Californias Diablo Range. ... For other uses, see San José. Nickname: Location of San Jose within Santa Clara County, California. ... Year 1889 (MDCCCLXXXIX) was a common year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 12-day slower Julian calendar). ... The Astronomical Society of the Pacific (ASP) was founded in San Francisco in 1889. ... Year 1890 (MDCCCXC) was a common year starting on Wednesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Monday of the Julian calendar). ... Albert Abraham Michelson. ... Interferometry is the applied science of combining two or more input points of a particular data type, such as optical measurements, to form a greater picture based on the combination of the two sources. ... 1892 (MDCCCXCII) was a leap year starting on Friday (see link for calendar). ... George Ellery Hale, Sc. ... The spectroheliograph is an instrument used in astronomy. ... Sol redirects here. ... 1897 (MDCCCXCVII) was a common year starting on Friday (see link for calendar). ... 8 Alvan Clark & Sons telescope at Chabot Space and Science Center. ... The 102-cm (40 inch) refractor at the Yerkes Observatory. ... Williams Bay is a village located in Walworth County, Wisconsin. ...

1900s

• 1904 - Observatories of the Carnegie Institution of Washington founded

1904 (MCMIV) was a leap year starting on a Friday (see link for calendar). ...

1910s

• 1917 - Mount Wilson 100-inch optical reflecting telescope begins operation, located in Mount Wilson, California
• 1919 - International Astronomical Union (IAU) founded

1917 (MCMXVII) was a common year starting on Monday of the Gregorian calendar (see link for calendar) or a common year starting on Tuesday of the 13-day slower Julian calendar (see: 1917 Julian calendar). ... The Mount Wilson Observatory (MWO) is an astronomical observatory in Los Angeles County, California. ... Year 1919 (MCMXIX) was a common year starting on Wednesday (link will display the full calendar). ... Logo of the IAU The International Astronomical Union (French: Union astronomique internationale) unites national astronomical societies from around the world. ...

1930s

• 1930 - Bernard-Ferdinand Lyot invents the coronagraph
• 1930 - Karl Jansky builds a 30-meter long rotating aerial radio telescope
• 1933 - Bernard-Ferdinand Lyot invents the Lyot filter
• 1934 - Bernhard Schmidt finishes the first 14-inch Schmidt optical reflecting telescope
• 1936 - Palomar 18-inch Schmidt optical reflecting telescope begins operation, located in Palomar, California
• 1937 - Grote Reber builds a 31-foot radio telescope

Year 1930 (MCMXXX) was a common year starting on Wednesday (link will display 1930 calendar) of the Gregorian calendar. ... Bernard Ferdinand Lyot (February 27, 1897 – April 2, 1952) was a French astronomer. ... An example image from SOHO - NASA A coronagraph is a telescopic attachment designed specifically to block out the harsh, direct light from a star, so that nearby objects can be resolved without burning out the telescopes optics. ... Year 1930 (MCMXXX) was a common year starting on Wednesday (link will display 1930 calendar) of the Gregorian calendar. ... Karl Guthe Jansky (October 22, 1905 – February 14, 1950), was the American physicist and radio engineer who in 1932 discovered that the Milky Way galaxy emanates radio waves; he did not follow up his discovery, but it marked the birth of radio astronomy. ... The 64 meter radio telescope at Parkes Observatory A radio telescope is a form of directional radio antenna most often used in radio astronomy and in tracking and collecting data from satellites and space probes (see Deep Space Network), and are also used in the SETI project. ... Year 1933 (MCMXXXIII) was a common year starting on Sunday (link will display full calendar) of the Gregorian calendar. ... Bernard Ferdinand Lyot (February 27, 1897 – April 2, 1952) was a French astronomer. ... A Lyot filter, named for its inventor Bernard Lyot, is a type of optical filter that uses birefringence to produce a narrow passband of transmitted wavelengths. ... Year 1934 (MCMXXXIV) was a common year starting on Monday (link will display full 1934 calendar) of the Gregorian calendar. ... Bernhard Schmidt (March 30, 1879–December 1, 1935) was an Estonian-born optician who lived in Germany. ... Optical ray paths inside Schmidt camera 2m Schmidt Camera (Alfred-Jensch-Telescope Tautenburg, Thuringia, Germany A Schmidt camera is an astronomical camera designed to provide wide fields of view with limited aberrations. ... 1936 (MCMXXXVI) was a leap year starting on Wednesday (link will take you to calendar). ... Palomar Observatory is a privately-owned observatory located in San Diego County, California, 90 miles (145 km) southeast of Mount Wilson Observatory, on Palomar Mountain. ... Year 1937 (MCMXXXVII) was a common year starting on Friday (link will display the full calendar) of the Gregorian calendar. ... Grote Reber (December 22, 1911 – December 20, 2002) was one of the pioneers of radio astronomy. ...

1940s

• 1941 - Dmitri Maksutov invents the Maksutov telescope which is adopted by major observatories in the Soviet Union and internationally. It is now also a popular design with amateur astronomers
• 1946 - Martin Ryle and his group perform the first astronomical observations with a radio interferometer
• 1947 - Bernard Lovell and his group complete the Jodrell Bank 218-foot non-steerable radio telescope
• 1949 - Palomar 48-inch Schmidt optical reflecting telescope begins operation, located in Palomar, California
• 1949 - Palomar 200-inch optical reflecting telescope (Hale telescope) begins regular operation, located in Palomar, California

For other uses, see 1941 (disambiguation). ... Dmitri Dmitrievich Maksutov (Russian:Дмитрий Дмитриевич Максутов) (April 23 (April 11 (O.S.)) 1896-August 12, 1964) was a Soviet/Russian optician. ... A 150mm aperture Maksutov-Cassegrain telescope. ... It has been suggested that this article or section be merged with Skygazing. ... Year 1946 (MCMXLVI) was a common year starting on Tuesday (link will display full 1946 calendar) of the Gregorian calendar. ... Sir Martin Ryle (September 27, 1918 – October 14, 1984) was a British radio astronomer who developed revolutionary radio telescope systems (see e. ... Year 1947 (MCMXLVII) was a common year starting on Wednesday (link will display full 1947 calendar) of the Gregorian calendar. ... Sir Alfred Charles Bernard Lovell OBE PhD FRS (born 31 August 1913, Oldland Common, Bristol) is a British physicist and radio astronomer. ... The 76m Lovell Telescope at Jodrell Bank Observatory. ... Year 1949 (MCMXLIX) was a common year starting on Saturday (link will display the full calendar) of the Gregorian calendar. ... Year 1949 (MCMXLIX) was a common year starting on Saturday (link will display the full calendar) of the Gregorian calendar. ... The Hale Telescope is the largest telescope at the Palomar Observatory. ...

1950s

• 1954 - Earth rotation aperture synthesis suggested (see e.g. Christiansen and Warburton (1955))
• 1957 - Bernard Lovell and his group complete the Jodrell Bank 250-foot (75-meter) steerable radio telescope (the Lovell Telescope)
• 1957 - Peter Scheuer publishes his P(D) method for obtaining source counts of spatially unresolved sources
• 1959 - Radio Observatory of the University of Chile, located at Maipú founded
• 1959 - The 3C catalogue of radio sources is published (revised in 1962)
• 1959 - The Shane 120-Inch Telescope Opened at Lick Observatory

Year 1954 (MCMLIV) was a common year (link will display full calendar) of the Gregorian calendar. ... Aperture synthesis is a type of interferometry that mixes signals from a collection instruments to produce measurements having the same angular resolution as an instrument the size of the entire collection. ... Year 1957 (MCMLVII) was a common year starting on Tuesday (link displays the 1957 Gregorian calendar). ... Sir Alfred Charles Bernard Lovell OBE PhD FRS (born 31 August 1913, Oldland Common, Bristol) is a British physicist and radio astronomer. ... The 76m Lovell Telescope at Jodrell Bank Observatory. ... The 76m Lovell Telescope at Jodrell Bank Observatory. ... Year 1957 (MCMLVII) was a common year starting on Tuesday (link displays the 1957 Gregorian calendar). ... Year 1959 (MCMLIX) was a common year starting on Thursday (link will display full calendar) of the Gregorian calendar. ... Year 1959 (MCMLIX) was a common year starting on Thursday (link will display full calendar) of the Gregorian calendar. ... 3C may refer to the digital radio station of the same name The Third Cambridge Catalog of Radio Sources (3C) is an astronomical catalogue of celestial radio sources as measured at 159-MHz. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... Year 1959 (MCMLIX) was a common year starting on Thursday (link will display full calendar) of the Gregorian calendar. ...

1960s

• 1960 - Owens Valley 27-meter radio telescopes begin operation, located in Big Pine, California
• 1961 - Parkes 64-metre radio telescope begins operation, located near Parkes, Australia
• 1962 - European Southern Observatory (ESO) founded
• 1962 - Kitt Peak solar observatory founded
• 1962 - Green Bank 90m radio telescope
• 1962 - Orbiting Solar Observatory 1 satellite launched
• 1963 - Arecibo 300-meter radio telescope begins operation, located in Arecibo, Puerto Rico
• 1964 - Martin Ryle's 1-mile radio interferometer begins operation, located in Cambridge, England
• 1965 - Owens Valley 40-meter radio telescope begins operation, located in Big Pine, California
• 1967 - First VLBI images, with 183 km baseline
• 1969 - Observations start at Big Bear Solar Observatory, located in Big Bear, California
• 1969 Las Campanas Observatory

Year 1960 (MCMLX) was a leap year starting on Friday (link will display full calendar) of the Gregorian calendar. ... Big Pine is a census-designated place located in Inyo County, California. ... Year 1961 (MCMLXI) was a common year starting on Sunday (link will display full calendar) of the Gregorian calendar. ... The big dish The Parkes Observatory is a radio telescope observatory, 20 kilometres north of the town of Parkes, New South Wales, Australia. ... Parkes is a town with a population of approximately 10,500 (as of 2004) located in New South Wales, Australia. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... The European Southern Observatory (ESO) is an international astronomical organisation, composed and supported by ten countries from the European Union plus Switzerland. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... Year 1963 (MCMLXIII) was a common year starting on Tuesday (link will display full calendar) of the Gregorian calendar. ... The Arecibo Observatory is located in Arecibo, Puerto Rico on the north coast of the island. ... Flag Seal Nickname: Gentilic: Arecibe̱os Location Location of Arecibo, Puerto Rico within Puerto Rico Government Founded 1616 Mayor Lemuel Soto Political party NPP Senatorial district 3 - Arecibo Representative district 13, 14 Geographical characteristics Area Total 443. ... Also Nintendo emulator: 1964 (emulator). ... Sir Martin Ryle (September 27, 1918 РOctober 14, 1984) was a British radio astronomer who developed revolutionary radio telescope systems (see e. ... Interferometry is the applied science of combining two or more input points of a particular data type, such as optical measurements, to form a greater picture based on the combination of the two sources. ... This article is about Cambridge, England; see also other places called Cambridge. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ... Big Pine is a census-designated place located in Inyo County, California. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... This article needs cleanup. ... Wikipedia does not yet have an article with this exact name. ... Also: 1969 (Stargate SG-1) episode. ... The Big Bear Solar Observatory (BBSO) is an astronomical telescopic observatory with main interests in studying the physics of the Sun. ... This article is about the city. ...

1970s

• 1970 - Cerro Tololo 158-inch optical reflecting telescope begins operation, located in Cerro Tololo, Chile
• 1970 - Kitt Peak National Observatory 158-inch optical reflecting telescope begins operation, located near Tucson, Arizona
• 1970 - Uhuru x-ray telescope satellite
• 1970 - Antoine Labeyrie performs the first high-resolution optical speckle interferometry observations
• 1973 - UK Schmidt Telescope 1.2 metre optical reflecting telescope begins operation, located in Anglo-Australian Observatory near Coonabarabran, Australia
• 1974 - Anglo-Australian Telescope 153-inch optical reflecting telescope begins operation, located in Anglo-Australian Observatory near Coonabarabran, Australia
• 1975 - Gerald Smith, Frederick Landauer, and James Janesick use a CCD to observe Uranus, the first astronomical CCD observation
• 1975 - Antoine Labeyrie builds the first two-telescope optical interferometer
• 1976 - The 6-m BTA-6 (Bolshoi Teleskop Azimutalnyi or “Large Altazimuth Telescope”) goes into operation on Mt. Pashtukhov in the Russian Caucasus
• 1978 - Multiple Mirror 176-inch equivalent optical/infrared reflecting telescope begins operation, located in Amado, Arizona
• 1978 - International Ultraviolet Explorer (IUE) telescope satellite
• 1978 - Einstein High Energy Astronomy Observatory x-ray telescope satellite
• 1979 - UKIRT 150-inch infrared reflecting telescope begins operation, located at Mauna Kea Observatory, Hawaii
• 1979 - Canada-France-Hawaii 140-inch optical reflecting telescope begins operation, located at Mauna Kea Observatory, Hawaii
• 1979 - NASA Infrared Telescope Facility[1] 120-inch infrared reflecting telescope begins operation, located at Mauna Kea, Hawaii

Year 1970 (MCMLXX) was a common year starting on Thursday (link shows full calendar) of the Gregorian calendar. ... The Cerro Tololo Inter-American Observatory (CTIO, IAU code 807) is a complex of astronomical telescopes and instruments located at 30. ... Year 1970 (MCMLXX) was a common year starting on Thursday (link shows full calendar) of the Gregorian calendar. ... The Kitt Peak National Observatory (KPNO) is a United States astronomical observatory located on a 2,096 m (6,880 ft) peak of the Quinlan Mountains in the Arizona-Sonoran Desert on the Tohono Oodham Nation, 88 kilometres (55 miles) southwest of Tucson. ... Nickname: Location in Pima County and the state of Arizona Coordinates: , Country State Counties Pima Government  - Mayor Bob Walkup (R) Area  - City  195. ... Year 1970 (MCMLXX) was a common year starting on Thursday (link shows full calendar) of the Gregorian calendar. ... Year 1970 (MCMLXX) was a common year starting on Thursday (link shows full calendar) of the Gregorian calendar. ... French astronomer, graduated from the grande école SupOptique (École supérieure doptique), he is the inventor of the interferometric astronomy. ... Speckle imaging (also known as video astronomy) describes a range of high-resolution astronomical imaging techniques based either on the shift-and-add (image stacking) method or on speckle interferometry methods. ... For the song by James Blunt, see 1973 (song). ... The 1. ... The Anglo-Australian Observatory (AAO) is an optical astronomy observatory with its headquarters in suburban Sydney, Australia. ... Coonabarabran, a town in northern New South Wales, Australia, has about 3000 inhabitants and was established in the 1850s. ... Year 1974 (MCMLXXIV) was a common year starting on Tuesday (link will display full calendar) of the 1974 Gregorian calendar. ... The Anglo-Australian Telescope (AAT) is a 3. ... The Anglo-Australian Observatory (AAO) is an optical astronomy observatory with its headquarters in suburban Sydney, Australia. ... Coonabarabran, a town in northern New South Wales, Australia, has about 3000 inhabitants and was established in the 1850s. ... Year 1975 (MCMLXXV) was a common year starting on Wednesday (link will display full calendar) of the Gregorian calendar. ... A specially developed CCD used for ultraviolet imaging in a wire bonded package. ... Atmospheric characteristics Atmospheric pressure 120 kPa Hydrogen 83% Helium 15% Methane 1. ... Year 1975 (MCMLXXV) was a common year starting on Wednesday (link will display full calendar) of the Gregorian calendar. ... French astronomer, graduated from the grande école SupOptique (École supérieure doptique), he is the inventor of the interferometric astronomy. ... Interferometry is the applied science of combining two or more input points of a particular data type, such as optical measurements, to form a greater picture based on the combination of the two sources. ... Year 1976 Pick up sticks(MCMLXXVI) was a leap year starting on Thursday (link will display full calendar) of the Gregorian calendar. ... Zelenchukskaya (Russian: Зеленчукская) is the Caucasus Mountains site of the Special Astrophysical Observatory (Специальная Астрофизическая Обсерватория) of the Russian Academy of Sciences, St Petersburg. ... Year 1978 (MCMLXXVIII) was a common year starting on Sunday (link displays the 1978 Gregorian calendar). ... Wikipedia does not yet have an article with this exact name. ... Amado is a census-designated place located in Santa Cruz County, Arizona. ... International Ultraviolet Explorer (IUE) was an astronomical observatory satellite primarily designed to take ultraviolet spectra. ... Also: 1979 by Smashing Pumpkins. ... UKIRT, the United Kingdom Infra-Red Telescope, is a 3. ... The Observatories at Mauna Kea are an independent collection of the worlds premier astronomical research facilities, located on the summit of Mauna Kea on the Big Island of Hawaii, USA. The facilities are located in a 500-acre special land use zone known as the Astronomy Precinct, which... Official language(s) English, Hawaiian Capital Honolulu Largest city Honolulu Area  Ranked 43rd  - Total 10,931 sq mi (29,311 km²)  - Width n/a miles (n/a km)  - Length 1,522 miles (2,450 km)  - % water 41. ... Also: 1979 by Smashing Pumpkins. ... The Observatories at Mauna Kea are an independent collection of the worlds premier astronomical research facilities, located on the summit of Mauna Kea on the Big Island of Hawaii, USA. The facilities are located in a 500-acre special land use zone known as the Astronomy Precinct, which... Official language(s) English, Hawaiian Capital Honolulu Largest city Honolulu Area  Ranked 43rd  - Total 10,931 sq mi (29,311 km²)  - Width n/a miles (n/a km)  - Length 1,522 miles (2,450 km)  - % water 41. ... Also: 1979 by Smashing Pumpkins. ...

1980s

• 1980 - Completion of construction of the VLA, located in Socorro, New Mexico
• 1983 - Infrared Astronomical Satellite (IRAS) telescope
• 1987 - 15-m James Clerk Maxwell Telescope UK submillimetre telescope installed at Mauna Kea Observatory
• 1987 - 5-m Swedish-ESO Submillimetre Telescope (SEST) installed at the ESO La Silla Observatory
• 1988 - Australia Telescope Compact Array aperture synthesis radio telescope begins operation, located near Narrabri, Australia
• 1989 - Cosmic Background Explorer (COBE) satellite

Year 1980 (MCMLXXX) was a leap year starting on Tuesday (link displays the 1980 Gregorian calendar). ... The Very Large Array (VLA) is a radio astronomy observatory located on the Plains of San Augustin, between the towns of Magdalena and Datil, some fifty miles (80 km) west of Socorro, New Mexico, USA. U.S. Route 60 passes through the complex. ... Socorro is a city located in Socorro County, New Mexico in the Rio Grande Valley, at an elevation of 4579 feet. ... Year 1983 (MCMLXXXIII) was a common year starting on Saturday (link displays the 1983 Gregorian calendar). ... Year 1987 (MCMLXXXVII) was a common year starting on Thursday (link displays 1987 Gregorian calendar). ... This article does not cite any references or sources. ... The Observatories at Mauna Kea are an independent collection of the worlds premier astronomical research facilities, located on the summit of Mauna Kea on the Big Island of Hawaii, USA. The facilities are located in a 500-acre special land use zone known as the Astronomy Precinct, which... Year 1987 (MCMLXXXVII) was a common year starting on Thursday (link displays 1987 Gregorian calendar). ... Year 1988 (MCMLXXXVIII) was a leap year starting on Friday (link displays 1988 Gregorian calendar). ... The Australia Telescope, also known as the Australia Telescope Compact Array is a radio telescope at the Paul Wild Observatory, 25 kilometres west of the town of Narrabri, Australia. ... Narrabri is a town of approximately 8000 persons and a Local Government Area in north-central New South Wales. ... Year 1989 (MCMLXXXIX) was a common year starting on Sunday (link displays 1989 Gregorian calendar). ...

1990s

• 1990 - Hubble 2.4m space Telescope launched, mirror found to be flawed
• 1991 - Compton Gamma Ray Observatory satellite
• 1993 - Keck 10-meter optical/infrared reflecting telescope begins operation, located at Mauna Kea, Hawaii
• 1993 - Very Long Baseline Array of 10 dishes
• 1995 - Cambridge Optical Aperture Synthesis Telescope (COAST) -- the first very high resolution optical astronomical images (from aperture synthesis observations)
• 1995 - Giant Meterwave radio telescope of thirty 45 m dishes at Pune
• 1996 Keck 2 10-meter optical/infrared reflecting telescope begins operation, located at Mauna Kea, Hawaii
• 1997 - The Japanese HALCA satellite begins operations, producing first VLBI observations from space, 25,000 km maximum baseline
• 1998 - First light at VLT1, the 8.2 m ESO telescope.

Year 1990 (MCMXC) was a common year starting on Monday (link displays the 1990 Gregorian calendar). ... The Hubble Space Telescope (HST) is a telescope in orbit around the Earth, named after astronomer Edwin Hubble. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display the 1991 Gregorian calendar). ... Year 1993 (MCMXCIII) was a common year starting on Friday (link will display full 1993 Gregorian calendar). ... The Mauna Kea Observatory, an institute of the University of Hawaii, is considered one of the most important land-based observatories in the world for its isolated, unobstructed views of space without interference from man-made light sources. ... Year 1993 (MCMXCIII) was a common year starting on Friday (link will display full 1993 Gregorian calendar). ... Year 1995 (MCMXCV) was a common year starting on Sunday (link will display full 1995 Gregorian calendar). ... COAST. the Cambridge Optical Aperture Synthesis Telescope, is a multi-element optical interferometer with baselines of up to 100 metres, designed to observe stars with angular resolution as high as one thousandth of one arcsecond (much higher resolution than can be obtained with individual telescopes such as the Hubble Space... Aperture synthesis is a type of interferometry that mixes signals from a collection instruments to produce measurements having the same angular resolution as an instrument the size of the entire collection. ... Year 1996 (MCMXCVI) was a leap year starting on Monday (link will display full 1996 Gregorian calendar). ... For the band, see 1997 (band). ... HALCA (MUSES-B) The HALCA (Highly Advanced Laboratory for Communications and Astronomy), also known as MUSES-B before launch, is an 8 meter diameter radio telescope satellite which was used for Very Long Baseline Interferometry. ... This article needs cleanup. ... Wikipedia does not yet have an article with this exact name. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ... The four telescopes of the European Southern Observatory Paranal site. ... The European Southern Observatory (ESO) is an international astronomical organisation, composed and supported by ten countries from the European Union plus Switzerland. ...

2000s

• 2001 - First light at the Keck Interferometer. Single-baseline operations begin in the near-infrared.
• 2001 - First light at VLTI interferometry array. Operations on the interferometer start with single-baseline near-infrared observations with the 103 m baseline.
• 2005 - First imaging with the VLTI using the AMBER optical aperture synthesis instrument and three VLT telescopes.
• 2005 - First light at SALT, the largest optical telescope in the southern hemisphere, with a primary mirror diameter of 11 meters.

Year 2001 (MMI) was a common year starting on Monday (link displays the 2001 Gregorian calendar). ... This article needs to be wikified. ... Year 2001 (MMI) was a common year starting on Monday (link displays the 2001 Gregorian calendar). ... The four telescopes of the European Southern Observatory Paranal site. ... Wikipedia does not yet have an article with this exact name. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... The four telescopes of the European Southern Observatory Paranal site. ... The four telescopes of the European Southern Observatory Paranal site. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... The Southern African Large Telescope (SALT) is a 10 metre (~32. ...

See also

• Timeline of telescope technology

This article or section does not cite its references or sources. ...

References

Cambridge Illustrated History of Astronomy ISBN 0-521-41158-0

History of Science and Technology ISBN 0-87196-475-9

Wilson Chronology of Science and Technology ISBN 0-8242-0933-8

Encyclopedia of the history of Arabic science ISBN 0-415-12410-7