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langs: 22 апреля [ru] / april 22 [en] / 22. april [de] / 22 avril [fr] / 22 aprile [it] / 22 de abril [es]

days: april 19 / april 20 / april 21 / april 22 / april 23 / april 24 / april 25

Asteroid / Asteroid


#1 7066 Nessus

7066 Nessus / ˈ n ɛ s ə s / is a very red centaur on an eccentric orbit, located beyond Saturn in the outer Solar System . It was discovered on 26 April 1993, by astronomers of the Spacewatch program at the Kitt Peak National Observatory in Tucson, Arizona . [1] The dark and reddish minor planet is

#2 (308635) 2005 YU55

(308635) 2005 YU 55 , provisionally named 2005 YU 55 , is a potentially hazardous asteroid [2] 360 ± 40 meters in diameter, as measured after its Earth flyby. [8] Previously it was estimated to be 310   meters [5] or about 400   m (1,300 feet ) in diameter. [6] [7] It was discovered on 28   December

#3 1209 Pumma

1209 Pumma , provisional designation 1927 HA , is a Hygiean asteroid from the outer region of the asteroid belt , approximately 30 kilometers in diameter. It was discovered on 22 April 1927, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. [10] The asteroid was name

#4 933 Susi

933 Susi is a minor planet orbiting the Sun . 933 Susi Discovery Discovered   by K. Reinmuth Discovery   site Heidelberg Discovery   date 10 February 1927 Designations MPC   designation (933) Susi Pronunciation German: [ˈzuːziː] [1] Alternative designations 1927 CH Orbital characteristics [2] Epoch

#5 715 Transvaalia

715 Transvaalia is a minor planet orbiting the Sun . 715 Transvaalia Discovery Discovered   by H. E. Wood Discovery   site Johannesburg Obs. Discovery   date 22 April 1911 Designations MPC   designation (715) Transvaalia Pronunciation / t r æ n z ˈ v ɑː l i ə / [1] Alternative designations 1911 LX O

#6 7088 Ishtar

7088 Ishtar , provisional designation 1992 AA , is a synchronous binary asteroid and near-Earth object from the Amor group , approximately 1.3 kilometers (0.81 miles) in diameter. It was discovered on 1 January 1992, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.

#7 1567 Alikoski

1567 Alikoski , provisional designation 1941 HN , is a rare-type carbonaceous asteroid from the outer region of the asteroid belt , approximately 67 kilometers in diameter. It was discovered on 22 April 1941, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. [11] It was l

#8 1042 Amazone

1042 Amazone , provisional designation 1925 HA , is a dark asteroid and slow rotator in the outer asteroid belt , approximately 70 kilometers in diameter. It was discovered on 22 April 1925, by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany. [1] It is named after the A

#9 6708 Bobbievaile

6708 Bobbievaile , provisional designation 1989 AA 5 , is a stony background asteroid and asynchronous binary system from the inner regions of the asteroid belt , approximately 8 kilometers (5 miles) in diameter. It was discovered on 4 January 1989, by Australian astronomer Robert McNaught at the Si

#10 4057 Demophon

4057 Demophon / ˈ d ɛ m ə f ɒ n / is a larger Jupiter trojan from the Greek camp , approximately 46 kilometers (29 miles) in diameter. It was discovered on 15 October 1985 by American astronomer Edward Bowell at the Anderson Mesa Station of the Lowell Observatory near Flagstaff, Arizona. [1] The dar

#11 680 Genoveva

680 Genoveva is a minor planet orbiting the Sun . It was named after the play Genoveva by Friedrich Hebbel . The name may have been inspired by the asteroid's provisional designation 1909 GW , as W is pronounced 'v' in German, as is V in Latinate names such as 'Genoveva'. 680 Genoveva Discovery Disc

#12 1043 Beate

1043 Beate , provisional designation 1925 HB , is a stony asteroid from the outer region of the asteroid belt , approximately 32 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory on 22 April 1925. [13] Any reference of its nam

#13 931 Whittemora

931 Whittemora ( prov. designation : A920 FB or 1920 GU ) is a metallic background asteroid , approximately 46 kilometers (29 miles) in diameter, located in the outer region of the asteroid belt . It was discovered by French astronomer François Gonnessiat at the Algiers Observatory in North Africa o

#14 1226 Golia

1226 Golia , provisional designation 1930 HL , is a metallic asteroid from the central region of the asteroid belt , approximately 15 kilometers in diameter. It was discovered on 22 April 1930, by Dutch astronomer Hendrik van Gent at Leiden Southern Station, annex to the Johannesburg Observatory in

#15 List of minor planets discovered using the WISE spacecraft

The following is a list of numbered minor planets discovered, co-discovered and re-discovered by the Wide-field Infrared Survey Explorer (WISE), a NASA infrared spaceborne observatory. As of July 2018, the list contains 4093 entries, accredited by the Minor Planet Center as discovered by "WISE". Not

#16 45737 Benita

45737 Benita , provisional designation 2000 HB is a bright background asteroid from the outer regions of the asteroid belt , approximately 5 kilometers in diameter. It was discovered on 22 April 2000, by American amateur astronomer Bruce Segal at the Florida Atlantic University 's Jupiter Observator


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Comet / Comet


#1 C/2011 L4 (PanSTARRS)

C/2011 L4 (PanSTARRS) , also known as Comet PANSTARRS , is a non-periodic comet discovered in June 2011 that became visible to the naked eye when it was near perihelion in March 2013. [3] [4] It was discovered using the Pan-STARRS telescope located near the summit of Haleakalā , on the island of Mau

#2 Great Comet of 1744

The Great Comet of 1744 , whose official designation is C/1743 X1 , and which is also known as Comet de Chéseaux or Comet Klinkenberg-Chéseaux , was a spectacular comet that was observed during 1743 and 1744. It was discovered independently in late November 1743 by Jan de Munck , in the second week

#3 5D/Brorsen

5D/Brorsen (also known as Brorsen's Comet or Comet Brorsen ) was a periodic Jupiter-family comet discovered on February 26, 1846, by Danish astronomer Theodor Brorsen . The perihelion of 5D/Brorsen was February 25, just a day before its discovery, and it passed closest to Earth on March 27, at a dis

#4 C/2012 S4 (PanSTARRS)

C/2012 S4 (PanSTARRS) is a non-periodic comet with the largest listed aphelion of any object on the JPL Small-Body Database . But the listed aphelion distance of 500,000   AU (8   ly ) from the Sun [1] is a generic near-perihelion unperturbed two-body solution that assumes the Sun and comet are the

#5 Comet Arend–Roland

Comet Arend–Roland was discovered on November 8, 1956 by Belgian astronomers Sylvain Arend and Georges Roland on photographic plates. As the eighth comet found in 1956, it was named Arend–Roland 1956h after its discoverers. Because it was the third comet to pass through perihelion during 1957, it wa


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Galaxy / Galaxy


#1 NGC 4881

NGC 4881 is an elliptical galaxy in the northern constellation of Coma Berenices . It was discovered by the German astronomer Heinrich Louis d'Arrest on April 22, 1865. John L. E. Dreyer described it as "faint, small, a little extended, 9th magnitude star to southwest". [6] This object is located at

#2 NGC 3244

NGC 3244 is a spiral galaxy in the Antlia constellation discovered by John Herschel on April 22, 1835. [3] A supernova was detected in NGC 3244 on June 27, 2010, designated SN 2010ev . With an apparent magnitude of about 14, it was the third-brightest supernova observed in 2010. [5] Spiral galaxy in

#3 NGC 4886

NGC 4886 is an elliptical galaxy located about 327 million light-years away [2] in the constellation Coma Berenices . NGC 4886 was discovered by astronomer Heinrich d'Arrest on April 6, 1864. It was then rediscovered by d'Arrest on April 22, 1865, and was listed as NGC 4882. [3] NGC 4886 is a member

#4 NGC 4883

NGC 4883 is a barred lenticular galaxy [2] located about 315 million light-years away [1] in the constellation Coma Berenices . NGC 4883 was discovered by astronomer Heinrich d'Arrest on April 22, 1865. [3] It is a member of the Coma Cluster . [4] [5] Barred lenticular galaxy in the constellation Co

#5 Rosette Nebula

The Rosette Nebula (also known as Caldwell 49 ) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy . The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the


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Institution / Institution


#1 Air Force Maui Optical and Supercomputing observatory

The Air Force Maui Optical and Supercomputing observatory is an Air Force Research Laboratory (AFRL) operating location at Haleakala Observatory on Maui , Hawaii , with a twofold mission ( 608 ). First, it conducts the research and development mission on the Maui Space Surveillance System (MSSS) at

#2 Château de Meudon

Meudon Castle , also known as the Royal Castle of Meudon or Imperial Palace of Meudon, is a French castle located in Meudon in the Hauts-de-Seine department . At the edge of a wooded plateau, the castle offers views of Paris and the Seine , as well as of the Chalais valley. Located between Paris and

#3 National Observatory (Brazil)

The National Observatory ( Portuguese : Observatório Nacional or ON ) [1] is an institution localized in Rio de Janeiro , Brazil. Founded by Pedro I on October 15, 1827, it is one of the oldest scientific institutions in the country. Its initial purpose was to guide the geographic studies of Brazil

#4 Višnjan Observatory

Višnjan Observatory ( Croatian : Zvjezdarnica Višnjan ; obs. code: 120 ) is an astronomical observatory located near the village of Višnjan in Croatia . It is headed by Korado Korlević , a prolific astronomer and discoverer of minor planets . In 2009, the Višnjan observatory moved to Tičan (at 45°17

#5 Astronomical Observatory of Mallorca

The Astronomical Observatory of Mallorca ( Spanish : Observatorio Astronómico de Mallorca , OAM ) is an observatory just south of Costitx , Mallorca , Spain . [3] Observatory Astronomical Observatory of Mallorca Alternative   names ca Observatory   code 620   Location Costitx , Mallorca , Spain Coor

#6 David Dunlap Observatory

The David Dunlap Observatory ( DDO ) is an astronomical observatory site in Richmond Hill , Ontario, Canada. Established in 1935, it was owned and operated by the University of Toronto until 2008. It was then acquired by the city of Richmond Hill, which provides a combination of heritage preservatio

#7 International Liquid Mirror Telescope

The International Liquid Mirror Telescope ( ILMT ) is a 4-metre (160   in) liquid-mirror telescope located at the Devasthal Observatory in Uttarakhand , India. Optical telescope

#8 Union Observatory

Union Observatory also known as Johannesburg Observatory ( 078 ) is a defunct astronomical observatory in Johannesburg , South Africa that was operated between 1903 and 1971. It is located on Observatory Ridge , the city's highest point at 1,808 metres altitude in the suburb Observatory . [1] [2] De

#9 Campo Imperatore Near-Earth Object Survey

The CINEOS program ( Campo Imperatore Near-Earth Object Survey ), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit . In particular CINEOS is addressed to the discovery of


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Meteorite / Meteorite


#1 PSR B1257+12 A

PSR B1257+12 b , alternatively designated PSR B1257+12 A , also named Draugr , is an extrasolar planet approximately 2,300 light-years (710   pc ) away [4] in the constellation of Virgo . The planet is the innermost object orbiting the pulsar PSR B1257+12 , making it a pulsar planet in the dead stel

#2 Sutter's Mill meteorite

The Sutter's Mill meteorite is a carbonaceous chondrite which entered the Earth's atmosphere and broke up at about 07:51 Pacific Time on April 22, 2012, with fragments landing in the United States. [6] [7] The name comes from Sutter's Mill , a California Gold Rush site, near which some pieces were r

#3 BD-10°3166 b

BD-10°3166 b is an extrasolar planet approximately 268 light-years away in the constellation of Crater . This planet is a so-called " Hot Jupiter ," a planet that orbits its parent star in a very close orbit. Distance to the star is less than 1/20th Earth's distance from the Sun. No transits by the

#4 Tamdakht meteorite

The Tamdakht meteorite fell near Ouarzazate , Morocco on 20 December 2008 producing a strewn field of approximately 25 kilometres (16   mi) by 2 kilometres (1.2   mi) and two small impact craters, one of about 1.1 metres (3   ft 7   in) diameter and 70 centimetres (28   in) depth at 31°09.8′N 7°00.9


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Researcher / Researcher


#1 Hendrik van Gent

Hendrik van Gent (14 September 1899, Pernis – March 29, 1947, Amsterdam ) [2] was a Dutch astronomer . Dutch astronomer (1899–1947) In this Dutch name , the surname is van Gent , not Gent . Asteroids discovered: 39   [1] see §   List of discovered minor planets He moved to South Africa in 1928 in or

#2 Thierry Pauwels

Thierry Pauwels (born 22 July 1957, Ghent ) is a Belgian astronomer from the Royal Observatory of Belgium . [2] [3] Between 1996 and 2008 he discovered and co-discovered 146 minor planets . This makes him one of the top 100 minor planet discoverers. [1] Belgian astronomer Minor planetss discovered:

#3 Paul Davies

Paul Charles William Davies AM (born 22 April 1946) is an English physicist , writer and broadcaster , a professor in Arizona State University and Director of BEYOND: Center for Fundamental Concepts in Science. He is affiliated with the Institute for Quantum Studies in Chapman University in Californ

#4 Wilhelm Schickard

Wilhelm Schickard (22 April 1592 – 24 October 1635) was a German professor of Hebrew and astronomy who became famous in the second part of the 20th century after Franz Hammer , a biographer (along with Max Caspar ) of Johannes Kepler , claimed that the drawings of a calculating clock, predating the

#5 Bobbie Vaile

Dr Roberta Anne 'Bobbie' Vaile (25 June 1959 – 13 November 1996) was an Australian astrophysicist and senior lecturer in physics at the Faculty of Business and Technology at the University of Western Sydney, Macarthur . She was involved with Project Phoenix (a SETI experiment) and influential in the

#6 Friedrich Wilhelm Argelander

Friedrich Wilhelm August Argelander (22 March 1799 – 17 February 1875) was a German astronomer . He is known for his determinations of stellar brightnesses, positions, and distances. German astronomer "Argelander" redirects here. For the lunar crater, see Argelander (crater) . Friedrich Wilhelm Arge

#7 Carlos Torres (astronomer)

Carlos Torres (1929–2011) was a Chilean astronomer of the University of Chile and an individual member of the International Astronomical Union on several commissions. [2] Between 1968 and 1982, he discovered or co-discovered a number of asteroids from the University of Chile 's Cerro El Roble Astron

#8 Peter Kolény

Peter Kolény is a Slovak astronomer . He is a prolific discoverer of asteroids . [2] As of January 2010, the IAU Minor Planet Center credits him with the discovery or codiscovery of 35 asteroids. [3] Slovak astronomer Minor planets discovered: 35   [1] see §   List of discovered minor planets

#9 Michel Ory

Michel Ory (born 18 April 1966) is a Swiss amateur astronomer and a prolific discoverer of minor planets and comets , [1] who was one of five winners of the 2009 Edgar Wilson Award for his discovery of 304P/Ory (P/2008 Q2 Ory), a periodic comet of the Jupiter family on 27 August 2008, [2] using a 24

#10 Krisztián Sárneczky

Krisztián Sárneczky (born 6 November 1974 in Budapest ) is a Hungarian teacher of geography [1] and prolific discoverer of minor planets and supernovae , researching at Konkoly Observatory in Budapest, Hungary. He is a board member of the Hungarian Astronomical Association (HAA) [2] and member of th

#11 Jana Tichá

Jana Tichá (born 1965 in České Budějovice ) is a Czech astronomer and discoverer of minor planets . She studied at the University of Economics in Prague and graduated in 1987. In 1992 she was selected for the position of a director of the Kleť Observatory . Czech astronomer Jana Tichá with her ex-hu

#12 John E. Geake

John Edward Geake (22 April 1925 – 3 June 1998) was a British astronomer , noted as a lunar scientist , and scientific instrument designer. [2] [3] The topic of this article may not meet Wikipedia's notability guideline for academics . ( July 2017 ) John E. Geake Born John Edward Geake 22 April 1925

#13 Leonard Kornoš

Leonard Kornoš (born 1956) is a Slovak astronomer and a prolific discoverer of asteroids . [2] Slovak astronomer Minor planets discovered: 37   [1] see §   List of discovered minor planets

#14 Benjamin Valz

Jean Elias Benjamin Valz (May 27, 1787 – April 22, 1867) was a French astronomer . French astronomer Benjamin Valz He was born in Nîmes and trained as an engineer. He was the son of politician Jean Valz and the grandson of the doctor, meteorologist and naturalist Pierre Baux (1708–1790). He became i

#15 Richard Inwards

Richard Inwards (22 April 1840, Houghton Regis – 30 September 1937, London ) was a mining engineer, astronomer and meteorologist . [1] [2] Inwards managed the San Baldomero mine in Bolivia for Evans and Askin and then a mine in Spain for the Manganese Company. He reported on mines and mining project

#16 Robert H. McNaught

Robert H. McNaught (born in Scotland in 1956) is a Scottish-Australian astronomer at the Research School of Astronomy and Astrophysics of the Australian National University (ANU). He has collaborated with David J. Asher of the Armagh Observatory . Scottish-Australian astronomer (born 1956) Minor pla

#17 John Broughton

John Broughton (born 1952) [2] is an Australian amateur astronomer and artist. He is among the most prolific discoverers of minor planets worldwide, credited by the Minor Planet Center with more than a thousand discoveries made between 1997 and 2008. [1] His observations are done at Reedy Creek Obse

#18 Armin Otto Leuschner

Armin Otto Leuschner (January 16, 1868 – April 22, 1953) was an American astronomer and educator. [1] American astronomer and educator Armin Otto Leuschner Leuschner around 1920 Born 16 January 1868 Died 22 April 1953 Nationality American Alma   mater University of Berlin Scientific career Fields As

#19 Matvey Gusev

Matvey Matveyevich Gusev ( Russian : Матве ́ й Матве ́ евич Гу ́ сев ) ( November 28   [ O.S. November 16 ]   1826 in Vyatka , Russia – April 22   [ O.S. April 10 ]   1866 in Berlin , Germany ) was a Russian astronomer who worked at Pulkovo Observatory near St.   Petersburg from 1850 to 1852 and the

#20 August Kopff

August Kopff (February 5, 1882 – April 25, 1960) was a German astronomer and discoverer of several comets and asteroids . German astronomer August Kopff Minor planets discovered: 68   [1] see §   List of discovered minor planets Kopff studied and worked in Heidelberg, getting his PhD there in 1906 a


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Star / Star


#1 Alpha Piscium

Alpha Piscium ( α   Piscium ) is a binary star [6] system in the equatorial constellation of Pisces . Based upon parallax measurements made by the Hipparcos spacecraft , it is about 151   light-years from the Solar System . Binary star system in the constellation Pisces α Piscium Location of α Pisci

#2 T Boötis

T Boötis is believed to have been a nova . It was observed by only one person, Joseph Baxendell on 9, 11 and 22 April 1860, but has not been seen since. [2] It is located less than half a degree from Arcturus in the constellation Boötes and was at magnitude 9.75 when first seen, and magnitude 12.8 w

#3 Proxima Centauri

Proxima Centauri is a small, low-mass star located 4.2465 light-years (1.3020   pc ) away from the Sun in the southern constellation of Centaurus . Its Latin name means the 'nearest [star] of Centaurus'. It was discovered in 1915 by Robert Innes and is the nearest-known star to the Sun. With a quies


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