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langs: 23 июля [ru] / july 23 [en] / 23. juli [de] / 23 juillet [fr] / 23 luglio [it] / 23 de julio [es]

days: july 20 / july 21 / july 22 / july 23 / july 24 / july 25 / july 26


Asteroid / Asteroid


#1 2017 OO1

2017 OO 1 is a small asteroid , classified as near-Earth object of the Aten group , approximately 35–76 meters (115–249 feet) in diameter. It was first observed on 23 July 2017, by the robotic ATLAS survey at Mauna Loa Observatory , Hawaii, two days after the object had approached Earth at 0.33 luna

#2 32226 Vikulgupta

32226 Vikulgupta , provisional designation 2000 OQ 23 , is a stony Flora asteroid from the inner regions of the asteroid belt , approximately 3.5 kilometers in diameter. 32226 Vikulgupta Discovery   [1] Discovered   by LINEAR Discovery   site Lincoln Lab's ETS Discovery   date 23 July 2000 Designati

#3 2629 Rudra

2629 Rudra , provisional designation 1980 RB 1 , is a sizable Mars-crossing asteroid and slow rotator inside the asteroid belt , approximately 5.3 kilometers (3.3 miles) in diameter. It was discovered on 13 September 1980, by American astronomer Charles Kowal at the Palomar Observatory in California

#4 24 Themis

Themis ( minor planet designation : 24 Themis ) is one of the largest asteroids in the asteroid belt . It is also the largest member of the Themistian family . It was discovered by Annibale de Gasparis on 5 April 1853. It is named after Themis , the personification of natural law and divine order in

#5 167 Urda

Urda ( minor planet designation : 167 Urda ) is a main-belt asteroid that was discovered by German-American astronomer Christian Heinrich Friedrich Peters on August 28, 1876, in Clinton, New York , and named after Urd , one of the Norns in Norse mythology . In 1905, Austrian astronomer Johann Palisa

#6 2017 BS5

In the astronomy of the Solar System , 2017 BS 5 is a sub-kilometer asteroid , classified as near-Earth object that belongs to the Apollo group . It measures approximately 40–90 meters. [3] During a close approach to Earth, it was first observed 25 January 2017, by the ATLAS survey at Haleakala Obse

#7 405 Thia

Thia ( minor planet designation : 405 Thia ) is a very large main-belt asteroid . It is classified as a C-type asteroid and is probably composed of carbonaceous material. This object was discovered by Auguste Charlois on July 23, 1895, in Nice , and was named after Theia (sometimes written Thea or T

#8 90 Antiope

Antiope ( minor planet designation : 90 Antiope ) is a double asteroid in the outer asteroid belt . It was discovered on October 1, 1866, by Robert Luther . In 2000, it was found to consist of two almost-equally-sized bodies orbiting each other. At average diameters of about 88   km and 84   km, bot

#9 114 Kassandra

Kassandra ( minor planet designation : 114 Kassandra ) is a large and dark main-belt asteroid . It belongs to the rare class T . It was discovered by C. H. F. Peters on July 23, 1871, and is named after Cassandra , the prophetess in the tales of the Trojan War . The asteroid is featured in the 2009

#10 4 Vesta

Vesta ( minor-planet designation : 4 Vesta ) is one of the largest objects in the asteroid belt , with a mean diameter of 525 kilometres (326   mi) . [10] It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 [6] and is named after Vesta , the virgin goddess of

#11 683 Lanzia

683 Lanzia is a minor planet orbiting the Sun . It was discovered July 23, 1909, by Max Wolf at the Landessternwarte Heidelberg-Königstuhl observatory [2] and was named in honor of Lanz, founder of the Heidelberg Academy of Sciences. Photometric observations made in 2003 at the Santana Observatory i

#12 22 Kalliope

Kalliope ( / k ə ˈ l aɪ . ə p i / kə- LY -ə-pee ; minor planet designation : 22 Kalliope ) is a large M-type asteroid from the asteroid belt discovered by J. R. Hind on 16 November 1852. It is named after Calliope , the Greek Muse of epic poetry . It is orbited by a small moon named Linus . Main-bel

#13 (8014) 1990 MF

(8014) 1990 MF is a sub-kilometer near-Earth object and potentially hazardous asteroid in the Apollo group . It was discovered by American astronomer Eleanor Helin at the Palomar Observatory in California on 26 June 1990. The asteroid measures approximately 0.7 kilometers (0.4 miles) in diameter. [2

#14 667 Denise

667 Denise is a minor planet orbiting the Sun . The name may have been inspired by the asteroid's provisional designation 1908 DN . 667 Denise Discovery Discovered   by August Kopff Discovery   site Heidelberg Discovery   date 23 July 1908 Designations MPC   designation (667) Denise Alternative desi

#15 1468 Zomba

1468 Zomba , provisional designation 1938 PA , is a stony asteroid and large Mars-crosser near the innermost regions of the asteroid belt , approximately 7 kilometers in diameter. Discovered by Cyril Jackson at Johannesburg Observatory in 1938, the asteroid was named after the city of Zomba in the R

#16 (556416) 2014 OE394

(556416) 2014 OE 394 is a large cubewano in the Kuiper belt that was discovered in July 2014 by the Pan-STARRS -1 telescope, and announced on 17 July 2016. [5] It is one of the brighter trans-Neptunian objects, being the 34th brightest cubewano as of 23 July 2016. Its exact size is unknown, but is m

#17 1246 Chaka

1246 Chaka , provisional designation 1932 OA , is a background asteroid from the central regions of the asteroid belt , approximately 18 kilometers (11 miles) in diameter. It was discovered on 23 July 1932, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg. [1] The u

#18 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

#19 666 Desdemona

666 Desdemona is a stony asteroid from the middle region of the asteroid belt , approximately 29 kilometers in diameter. It was discovered on 23 July 1908, by German astronomer August Kopff at Heidelberg Observatory in southern Germany, and named after Desdemona , character in Shakespeare's The Trag


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Comet / Comet


#1 178P/Hug–Bell

178P/Hug–Bell is a periodic comet in the Solar System . It was discovered by Northeast Kansas Amateur Astronomers' League members Gary Hug and Graham Bell and is thought to be the first periodic comet to be discovered by amateurs. It was declared a comet less than two days after its initial discover

#2 C/1874 H1

C/1874 H1 (Coggia) is a famous non-periodic comet , which in the summer of 1874 could be seen by naked eye observation. On the basis of its brightness, the comet has been called the Great Comet of 1874; on July 13 the magnitude of the brightness was between 0 and 1. [2] C/1874 H1 (Coggia) Drawing of

#3 84P/Giclas

84P/Giclas is a periodic comet in the Solar System . The comet nucleus is estimated to be 1.8 kilometers in diameter. [4] In 1995 precovery images from three nights in September 1931 by Clyde W. Tombaugh were located. Periodic comet with 7 year orbit 84P/Giclas Discovery Discovered by Henry L. Gicla

#4 Comet NEOWISE

C/2020 F3 (NEOWISE) or Comet NEOWISE is a long period comet with a near-parabolic orbit discovered on March 27, 2020, by astronomers during the NEOWISE mission of the Wide-field Infrared Survey Explorer (WISE) space telescope . At that time, it was an 18th-magnitude object, located 2   AU (300   mil

#5 Caesar's Comet

Caesar's Comet [2] (also Sidus Iulium ("Julian Star"); Caesaris astrum ("Star of Caesar "); Comet Caesar ; the Great Comet of 44 BC ; numerical designation C/−43 K1 ) was a seven-day cometary outburst seen in July 44 BC. It was interpreted by Romans as a sign of the deification of recently assassina

#6 C/1999 S4 (LINEAR)

C/1999 S4 (LINEAR) was a long-period comet discovered on September 27, 1999, by LINEAR . [1] C/1999 S4 (LINEAR) Hubble image of C/1999 S4 disintegrating on August 5, 2000 Discovery Discovered by LINEAR ( 704 ) [1] Discovery date September 27, 1999 Orbital characteristics A Epoch February 17, 2000 (

#7 73P/Schwassmann–Wachmann

73P/Schwassmann–Wachmann , also known as Schwassmann–Wachmann 3 , is a periodic comet that has a 5.4 year orbital period and that has been actively disintegrating since 1995. It last came to perihelion (closest approach to the Sun) in March 2017 when fragment 73P-BT was separating from the main frag

#8 Comet Hale–Bopp

Comet Hale–Bopp (formally designated C/1995   O1 ) is a comet that was one of the most widely observed of the 20th century and one of the brightest seen for many decades. Long-period comet "Hale Bopp" redirects here. For the composition by Graham Waterhouse, see Celtic Voices and Hale Bopp . C/1995


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Galaxy / Galaxy


#1 NGC 6866

NGC 6866 is an open cluster in the constellation Cygnus . It was discovered by Caroline Herschel on 23 July 1783. Map showing location of NGC 6866 Open cluster in the constellation Cygnus NGC 6866 Observation data ( J2000 epoch ) Constellation Cygnus Right ascension 20 h 3.7 m [1] Declination +44 °

#2 NGC 4036

NGC 4036 is the New General Catalogue identifier for a lenticular galaxy in the northern circumpolar constellation of Ursa Major . In the Carnegie Atlas of Galaxies , it is described as being "characterized by an irregular pattern of dust lanes threaded through the disc in an 'embryonic' spiral patt

#3 NGC 655

NGC 655 is a lenticular galaxy located 400 million light-years away [2] in the constellation Cetus . [3] It was discovered in a sky-survey by Ormond Stone on December 12, 1885. [4] Lenticular galaxy in the constellation Cetus NGC 655 NGC 655 from the Digitized Sky Survey Observation data ( J2000 epo


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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 Wise Observatory

The Florence and George Wise Observatory (IAU code 097) is an astronomical observatory owned and operated by Tel Aviv University . It is located 5 kilometers (3.1 miles) west of the town of Mitzpe Ramon in the Negev desert near the edge of the Ramon Crater , and it is the only professional astronomi

#3 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

#4 Qingdao Observatory

The Qingdao Observatory is located on the summit of Guanxiang Mountain in the Shinan District of Qingdao, China. The existing building complex was originally built in 1905. Qingdao Observatory was once an important scientific research institute in Qingdao, and also played an important role in the de

#5 Farpoint Observatory

Farpoint Observatory is an astronomical observatory owned and operated by the Northeast Kansas Amateur Astronomers' League , or NEKAAL . It is located on the grounds of Mission Valley High School at Eskridge , near Auburn, Kansas , approximately 30 miles (48   km) southwest of Topeka , Kansas , Unit

#6 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

#7 Jodrell Bank Observatory

Jodrell Bank Observatory ( / ˈ dʒ ɒ d r əl / ) in Cheshire , England, hosts a number of radio telescopes as part of the Jodrell Bank Centre for Astrophysics at the University of Manchester . The observatory was established in 1945 by Bernard Lovell , a radio astronomer at the university, to investig

#8 List of solar eclipses visible from Ukraine

This list of solar eclipses seen from Ukraine enumerates the solar eclipses that were seen and will be seen in Ukraine . Lists of solar eclipses Geometry of a total solar eclipse (not to scale) Solar eclipses in antiquity Solar eclipses in the Middle Ages Modern history 16th 17th 18th 19th 20th 21st

#9 Črni Vrh Observatory

The Črni Vrh Observatory ( Slovene : Observatorij Črni Vrh , IAU code : 106 ) is an astronomical observatory located in western Slovenia , close to the settlement of Črni Vrh , near the town of Idrija . The current observatory was built in 1985 and stands at an elevation of 730 metres (2,400   ft) .

#10 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 Kepler-452b

Kepler-452b (sometimes quoted to be an Earth 2.0 or Earth's Cousin [3] [4] based on its characteristics; also known by its Kepler Object of Interest designation KOI-7016.01 ) is a super-Earth exoplanet orbiting within the inner edge of the habitable zone of the sunlike star Kepler-452 and is the onl


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Researcher / Researcher


#1 Otto Kippes

Otto Kippes (23 July 1905 – 2 February 1994) was a German Catholic priest and amateur astronomer , born in Bamberg , Bavaria. He was acknowledged especially for his work in asteroid orbit calculations, which brought him the Amateur Achievement Award of the Astronomical Society of the Pacific in 1991

#2 Pietro Baracchi

Pietro Paolo Giovanni Ernesto Baracchi (25 February 1851 – 23 July 1926) was an Italian -born astronomer, active in Australia and Government Astronomer of Victoria (Australia) 1900-15. [1] Baracchi was born in Florence and took a degree in civil engineering. In 1876 he sailed for New Zealand , but s

#3 Anthony Aguirre

Anthony Aguirre is a theoretical cosmologist . [2] Aguirre is a professor and holds the Faggin Presidential Chair for the Physics of Information at the University of California, Santa Cruz . [3] He is the co-founder and associate scientific director of the Foundational Questions Institute [4] and is

#4 Max Wolf

Maximilian Franz Joseph Cornelius Wolf (21 June 1863 – 3 October 1932) was a German astronomer and a pioneer in the field of astrophotography . He was the chairman of astronomy at the University of Heidelberg and director of the Heidelberg-Königstuhl State Observatory from 1902 until his death in 19

#5 William Frederick Denning

William Frederick Denning (25 November 1848 – 9 June 1931) was a British amateur astronomer who achieved considerable success without formal scientific training. [1] [2] [3] He is known for his catalogues of meteor radiants , observations of Jupiter's red spot , and for the discovery of five comets

#6 Charles-Louis Largeteau

Charles-Louis Largeteau (1791–1857) was a French physicist and astronomer . He was born in Mouilleron-en-Pareds in the Vendée into a poor family. His father, a gunner, died in the 1793 Battle of Le Mans . [1] He was taken in by an uncle in Fontenay-le-Comte , and excelled at school there, moving to

#7 Andrea Di Paola

Andrea Di Paola (born 1970) is an Italian astronomer and a discoverer of minor planets . Italian astronomer Minor planets discovered: 11   [1] 7499 L'Aquila July 24, 1996 MPC   [A] (10589) 1996 OM 2 July 23, 1996 MPC   [A] (10590) 1996 OP 2 July 24, 1996 MPC   [A] 11620 Susanagordon July 23, 1996 MP

#8 Asghar Qadir

Asghar Qadir ( Urdu : اصغر قادر ‎ born 23 July 1946) HI , SI , FPAS , is a Pakistani mathematician and a prominent cosmologist , specialised in mathematical physics and physical cosmology . He is considered one of the top mathematicians in Pakistan. He served as the chairman of the Mathematics Depar

#9 Alan Hale (astronomer)

Alan Hale (born 1958) [1] is an American professional astronomer , who co-discovered Comet Hale–Bopp along with amateur astronomer Thomas Bopp . [2] Astronomer, co-discoverer of Comet Hale–Bopp Alan Hale Hale in 2005 Born 1958 (age   63 – 64) Tachikawa , Japan Nationality American Alma   mater New M

#10 Lenka Kotková

Lenka Kotková ( née Šarounová ; born 26 July 1973) is a Czech astronomer and a discoverer of minor planets . Czech astronomer, asteroid discoverer Lenka Kotková ( née Šarounová) Lenka Kotková at the Ondřejov Observatory Born ( 1973-07-26 ) 26 July 1973 (age   48) Dobřichovice , Czechoslovakia Nation

#11 James William Grant (astronomer)

James William Grant FRSE FRAS , 3rd Laird of Wester Elchies (1788–1865) was a Scottish astronomer and landowner. On 23 July 1844 he was the first person to observe and record the existence of the star Antares B . [1] Scottish astronomer

#12 Solar and Heliospheric Observatory

The Solar and Heliospheric Observatory ( SOHO ) is a European Space Agency (ESA) spacecraft built by a European industrial consortium led by Matra Marconi Space (now Airbus Defence and Space ) that was launched on a Lockheed Martin Atlas IIAS launch vehicle on 2 December 1995, to study the Sun . It

#13 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

#14 Charles Edward Barns

Charles Edward Barns (July 23, 1862 – May 24, 1937) was an American writer, journalist, astronomer, theater impresario, and publisher. American journalist Charles Edward Barns Born ( 1862-07-23 ) July 23, 1862 Burlington, Wisconsin Died May 24, 1937 (1937-05-24) (aged   74) Morgan Hill, California O

#15 Michel Hénon

Michel Hénon ( French:   [enɔ̃] ; 23 July 1931, Paris – 7 April 2013, Nice ) was a French mathematician and astronomer . [1] He worked for a long time at the Nice Observatory . French mathematician and astronomer In astronomy, Hénon is well known for his contributions to stellar dynamics . In the la

#16 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

#17 James F. Bell III

James F. Bell III (born July 23, 1965) is a professor of Astronomy at Arizona State University , specializing in the study of planetary geology, geochemistry and mineralogy using data obtained from telescopes and from various spacecraft missions. Bell's active research has involved the NASA Mars Pat

#18 Subrahmanyan Chandrasekhar

Subrahmanyan Chandrasekhar FRS ( pronunciation ) (19 October 1910 – 21 August 1995) [3] was an Indian-American astrophysicist who spent his professional life in the United States . He shared the 1983 Nobel Prize for Physics with William A. Fowler for "...theoretical studies of the physical processes

#19 Cyril Jackson (astronomer)

Cyril V. Jackson (5 December 1903 – February 1988) was a South African astronomer , known for discovering 72 asteroids and a number of comets. South African astronomer Asteroids discovered: 72 1116 Catriona 5 April 1929 1186 Turnera 1 August 1929 1193 Africa 24 April 1931 1194 Aletta 13 May 1931 119

#20 Stephen Carkeek

Stephen James Carkeek (12 April 1815 – 27 November 1878) was a New Zealand civil servant, the colony's first Inspector of Customs, and the builder of the oldest-surviving observatory in the country. Stephen Carkeek Carkeek in about 1865 Born Stephen James Carkeek ( 1815-04-12 ) 12 April 1815 Swansea


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Star / Star


#1 Antares

Antares is the brightest star in the constellation of Scorpius . It has the Bayer designation α Scorpii , which is Latinised to Alpha Scorpii . Often referred to as "the heart of the scorpion", Antares is flanked by σ Scorpii and τ Scorpii near the center of the constellation. Distinctly reddish whe


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