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langs: 23 сентября [ru] / september 23 [en] / 23. september [de] / 23 septembre [fr] / 23 settembre [it] / 23 de septiembre [es]

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

Asteroid / Asteroid


#1 4954 Eric

4954 Eric ( prov. designation : 1990 SQ ) is an eccentric, stony asteroid , classified as near-Earth object of the Amor group , approximately 11 kilometers (6.8 miles) in diameter. It was discovered by American astronomer Brian Roman at Palomar Observatory on 23 September 1990. [4] The asteroid was

#2 767 Bondia

767 Bondia ( prov. designation : A913 SD or 1913 SX ) is a Themis asteroid from the outer regions of the asteroid belt , approximately 43 kilometers (27 miles) in diameter. It was discovered on 23 September 1913, by American astronomer Joel Hastings Metcalf at his observatory ( 799 ) in Winchester,

#3 835 Olivia

835 Olivia ( prov. designation : A916 SH or 1916 AE ) is a dark background asteroid from the outer regions of the asteroid belt . It was discovered by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory on 23 September 1916. [1] The carbonaceous C-type asteroid measures approxi

#4 1801 Titicaca

1801 Titicaca ( prov. designation : 1952 SP 1 ) is a stony Eos asteroid from the asteroid belt , approximately 22 kilometers in diameter. It was discovered on 23 September 1952, by Argentine astronomer Miguel Itzigsohn at La Plata Observatory in the capital of the province of Buenos Aires. [13] It w

#5 1768 Appenzella

1768 Appenzella ( prov. designation : 1965 SA ) is a rare-type Nysian asteroid from the inner regions of the asteroid belt , approximately 20 kilometers in diameter. It was discovered on 23 September 1965, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland. [12] It was la

#6 2019 SU3

2019 SU 3 is a very small near-Earth asteroid of the Apollo group , first observed by the Asteroid Terrestrial-impact Last Alert System at Haleakala Observatory on 23 September 2019. It was briefly listed on the Risk List of the European Space Agency . With a 18-day observation arc , the nominal orb

#7 101955 Bennu

101955 Bennu (provisional designation 1999 RQ 36 ) [9] is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and tied for the highest cumulative rating on the Palermo Technica

#8 836 Jole

836 Jole ( prov. designation : A916 SJ or 1916 AF ) is a bright background asteroid from the inner regions of the asteroid belt . It was discovered on 23 September 1916, by German astronomer Max Wolf at the Heidelberg Observatory in southwest Germany. [1] The stony S-type asteroid has a rotation per

#9 Haumea

Haumea ( minor-planet designation 136108 Haumea ) is a dwarf planet located beyond Neptune 's orbit. [24] It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory in the United States and disputably also in 2005 by a team headed by José Luis Ortiz Moreno at the

#10 837 Schwarzschilda

837 Schwarzschilda , provisional designation 1916 AG, is a low-eccentric, well-observed asteroid from the asteroid belt , orbiting the Sun with a period of 3.48 years at a distance of 2.21–2.39 AU . It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 23 September 1916. [1] 8

#11 1749 Telamon

1749 Telamon / ˈ t ɛ l ə m ɒ n / is a dark Jupiter Trojan from the Greek camp , approximately 70 kilometers (43 miles) in diameter. It was discovered by German astronomer Karl Reinmuth at the Heidelberg Observatory on 23 September 1949, [1] and named after Telamon from Greek mythology. [3] The D-typ

#12 885 Ulrike

885 Ulrike ( prov. designation : A917 SV or 1917 CX ) is an elongated Themistian asteroid from the outer regions of the asteroid belt . It was discovered on 23 September 1917, by Soviet astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula. [1] The presumed C-type asteroid h

#13 2156 Kate

2156 Kate ( prov. designation : A917 SH ) is a highly elongated background asteroid from the inner regions of the asteroid belt . The asteroid was discovered on 23 September 1917, by Soviet–Russian astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula. [10] It was named for

#14 (35671) 1998 SN165

(35671) 1998 SN 165 , prov. designation : 1998 SN 165 , is a trans-Neptunian object from the Kuiper belt located in the outermost region of the Solar System . It was discovered on 23 September 1998, by American astronomer Arianna Gleason at the Kitt Peak National Observatory near Tucson, Arizona. Th

#15 (612620) 2003 SQ317

(612620) 2003 SQ 317 is a classical trans-Neptunian object and member of Haumea family from the Kuiper belt located in the outermost regions of the Solar System , approximately 300 kilometers in diameter. It was first observed on 23 September 2003, by astronomers of the Canada–France Ecliptic Plane

#16 82 Alkmene

Alkmene ( minor planet designation : 82 Alkmene ) is a main-belt asteroid . Alkmene was discovered by R. Luther on 7 November 1864 and named after Alcmene , the mother of Herakles in Greek mythology . Based on IRAS data, Alkmene is estimated to be about 61 kilometres (38   mi) in diameter. [3] A sat

#17 2011 EO40

2011 EO 40 is an asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group . It is a possible candidate for the parent body of the Chelyabinsk superbolide . [7] [8] [9] 2011 EO 40 Discovery [1] Discovered   by Richard A. Kowalski ( Mount Lemmon Survey ) Discov

#18 981 Martina

981 Martina ( prov. designation : A917 SW or 1917 Σ92 ) is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt , approximately 31 kilometers (19 miles) in diameter. It was discovered on 23 September 1917, by Russian astronomer Sergey Belyavsky at the Simeiz Observatory on

#19 28978 Ixion

28978 Ixion / ɪ k ˈ s aɪ . ə n / , provisional designation 2001 KX 76 , is a large trans-Neptunian object and a possible dwarf planet . It is located in the Kuiper belt , a region of icy objects orbiting beyond Neptune in the outer Solar System . Ixion is classified as a plutino , a dynamical class


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Comet / Comet


#1 14P/Wolf

14P/Wolf is a periodic comet in the Solar System . Periodic comet with 8 year orbit 14P/Wolf Discovery Discovered by Max Wolf Discovery date September 17, 1884 Alternative designations 1884 S1; 1884 III; 1884c; 1891 J1; 1891 II; 1891b; 1898 IV; 1898f; 1912 I; 1911a; 1918 V; 1918b; 1925 X; 1925e; 193

#2 Comet Kohoutek

Comet Kohoutek ( formally designated C/1973 E1 and formerly as 1973 XII and 1973f ) [lower-alpha 3] is a comet that passed close to the Sun towards the end of 1973. Early predictions of the comet's peak brightness suggested that it had the potential to become one of the brightest comets of the 20th

#3 311P/PanSTARRS

311P/PanSTARRS also known as P/2013 P5 (PanSTARRS) is an active asteroid (object with properties of both asteroids and comets ) discovered by Bryce T. Bolin using the Pan-STARRS telescope on 27 August 2013. [1] [5] Observations made by the Hubble Space Telescope revealed that it had six comet-like t


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Galaxy / Galaxy


#1 NGC 7679

NGC 7679 is a lenticular galaxy with a peculiar morphology in the constellation Pisces . It is located at a distance of circa 200 million light years from Earth, which, given its apparent dimensions, means that NGC 7679 is about 60,000 light years across. It was discovered by Heinrich d'Arrest on Se

#2 NGC 118

NGC 118 is a spiral galaxy of type S(rs)a? pec with an apparent magnitude of 13.6 located in the constellation Cetus . It was discovered on September 23, 1867 by the astronomer Truman Safford . [4] Spiral galaxy in the constellation Cetus NGC 118 SDSS image of NGC 118 Observation data ( J2000 epoch

#3 Donatiello I

Donatiello I , also known as Mirach's Goblin , is a dwarf spheroidal galaxy in the constellation Andromeda , located between 8.1 and 11.4 million light-years from Earth. It is a possible satellite galaxy of the dwarf lenticular galaxy NGC 404 , "Mirach's Ghost", which is situated 60 arcminutes away.

#4 NGC 2775

NGC 2775 (also known as Caldwell 48 ) is a spiral galaxy in the northern constellation of Cancer , located at a distance of 67 megalight-years [3] from the Milky Way . It was discovered by William Herschel in 1783. NGC 2775 belongs to the Antlia - Hydra Cluster [9] of galaxies and is the most promin

#5 NGC 114

NGC 114 is a barred lenticular galaxy located in the constellation Cetus . It was discovered by American astronomer Truman Henry Safford on September 23, 1867. [3] The galaxy lies approximately 195 million light-years from Earth, and is about 55,000 light-years in diameter, nearly half the size of t

#6 NGC 124

NGC 124 is a spiral galaxy in the constellation Cetus . It was discovered by Truman Henry Safford on September 23, 1867. [4] The galaxy was described as "very faint, large, diffuse, 2 faint stars to northwest" by John Louis Emil Dreyer , the compiler of the New General Catalogue . [4] Spiral galaxy


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Institution / Institution


#1 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

#2 Crimean Astrophysical Observatory

The Crimean Astrophysical Observatory ( CrAO , obs.   code : 095 ) is located at Nauchnij research campus, near the Central Crimean city of Bakhchysarai , on the Crimean peninsula. CrAO is often called simply by its location and campus name, Crimea–Nauchnij , still ranks among the worldwide most pro

#3 List of solar eclipses visible from Russia

This list of solar eclipses visible from Russia enumerates the solar eclipses that have been seen and will be seen in Russia . 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 20t

#4 Santa Lucia Stroncone Astronomical Observatory

The Santa Lucia Stroncone Astronomical Observatory ( Italian : Osservatorio Astrometrico Santa Lucia Stroncone ) is an astronomical observatory located at 350 metres (1,150   ft) altitude in Stroncone , near the city of Terni , in Umbria , north central Italy. Minor planets discovered: 55   [1] see

#5 Andrushivka Astronomical Observatory

Andrushivka Astronomical Observatory ( Ukrainian : Андрушівська астрономічна обсерваторія ) is a private astronomical observatory in the town suburbs of Andrushivka , Zhytomyr Oblast , Ukraine . It was established in 2001. [2] The founder and director of the observatory is Yuri Ivashchenko . The obs

#6 Ondřejov Observatory

The Ondřejov Observatory ( pronounced [ˈondr̝ɛjof] ; Czech : Observatoř Ondřejov ) is the principal observatory of the Astronomical Institute ( Astronomický ústav ) of the Academy of Sciences of the Czech Republic . It is located near the village of Ondřejov , 35 kilometres (22 miles) southeast of P

#7 Atacama Large Millimeter Array

The Atacama Large Millimeter/submillimeter Array ( ALMA ) is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile , which observe electromagnetic radiation at millimeter and submillimeter wavelengths . The array has been constructed on the 5,000   m (16,000  

#8 Berlin Observatory

The Berlin Observatory ( Berliner Sternwarte ) is a German astronomical institution with a series of observatories and related organizations in and around the city of Berlin in Germany , starting from the 18th century. It has its origins in 1700 when Gottfried Leibniz initiated the "Brandenburg Soci

#9 Pistoia Mountains Astronomical Observatory

The Pistoia Mountains Astronomical Observatory ( Italian : Osservatorio Astronomico della Montagna Pistoiese ; obs. code : 104 ), also known as the San Marcello Observatory and the Pian dei Termini Observatory ( Italian : Osservatorio di Pian dei Termini ), is an astronomical observatory in San Marc

#10 San Vittore Observatory

The San Vittore Observatory ( Italian : Osservatorio San Vittore , obs.   code : 522 ) is an astronomical observatory in Bologna , Italy. It has made numerous asteroid discoveries during 1980–2000. [1] Minor planets discovered: 99   [1] see §   List of discovered minor planets Observatory San Vittor

#11 Royal Observatory, Cape of Good Hope

The Royal Observatory, Cape of Good Hope , is the oldest continuously existing scientific institution in South Africa. [1] Founded by the British Board of Longitude in 1820, it now forms the headquarters building of the South African Astronomical Observatory . Observatory Royal Observatory, Cape of

#12 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) .

#13 Arecibo Observatory

The Arecibo Observatory , also known as the National Astronomy and Ionosphere Center ( NAIC ) and formerly known as the Arecibo Ionosphere Observatory , is an observatory in Barrio Esperanza , Arecibo, Puerto Rico owned by the US National Science Foundation (NSF). Radio observatory in Arecibo, Puert

#14 International Astronautical Congress

Every year, the International Astronautical Federation with the support of the International Academy of Astronautics and the International Institute of Space Law (IISL), holds the International Astronautical Congress ( IAC ) which is hosted by one of the national society members of the IAF. Annual m


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Researcher / Researcher


#1 William Wallace (mathematician)

William Wallace FRSE MInstCE FRAS LLD (23 September 1768   – 28 April 1843) was a Scottish mathematician and astronomer who invented the eidograph (an improved pantograph ). Scottish mathematician and astronomer For other people named William Wallace, see William Wallace (disambiguation) . William W

#2 Leland Cunningham

Leland Erskin Cunningham (February 10, 1904, in Wiscasset, Maine – May 31, 1989, in Richmond, California ) was an American astronomer and discoverer of minor planets . In a career spanning 50 years, he became an authority on orbit theory and on precise measurements of the orbits of comets, planets,

#3 Violeta G. Ivanova

Violeta Ivanova (Виолета Иванова) is a Bulgarian astronomer . [2] Bulgarian astronomer Minor planets discovered: 14   [1] 3860 Plovdiv 8 August 1986 [1] MPC 4102 Gergana 15 October 1988 MPC 4893 Seitter 9 August 1986 [1] MPC 5950 Leukippos 9 August 1986 [1] MPC 7079 Baghdad 5 September 1986 [1] MPC

#4 Hugo von Seeliger

Hugo von Seeliger (23 September 1849 – 2 December 1924), also known as Hugo Hans Ritter von Seeliger , was a German astronomer, often considered the most important astronomer of his day. German astronomer Hugo von Seeliger Born ( 1849-09-23 ) 23 September 1849 Biala , Kingdom of Galicia and Lodomeri

#5 Lyudmila Zhuravleva

Lyudmila Vasilyevna Zhuravleva ( Russian : Людмила Васильевна Журавлёва , Ukrainian : Людмила Василівна Журавльова , romanized :   Ljudmyla Vasylivna Žuravljova ; born 22 May 1946) is a Soviet , Russian and Ukrainian astronomer , who worked at the Crimean Astrophysical Observatory in Nauchnij, where

#6 Gennady Chibisov

Gennady Chibisov ( Russian : Геннадий Чибисов ; September 23, 1946 – August 7, 2008) was a Soviet / Russian cosmologist . He obtained his PhD in 1972, from the Moscow Institute of Physics and Technology , with a thesis entitled "Entropy perturbations in cosmology". He is best known for his 1981 pape

#7 Heinrich Bruns

Ernst Heinrich Bruns (4 September 1848 – 23 September 1919) was a German mathematician and astronomer , who also contributed to the development of the field of theoretical geodesy . German mathematician and astronomer (1848–1919) Heinrich Bruns Born ( 1848-09-04 ) 4 September 1848 Berlin , Germany D

#8 Kin Endate

Kin Endate ( 円館 金 , Endate Kin , born December 15, 1960) is a Japanese amateur astronomer who has discovered hundreds of asteroids, most of them in collaboration with Kazuro Watanabe , placing him among the most prolific discoverers of minor planets . [1] Minor planets discovered: 624   [1] see §  

#9 Snježana Kordić

Snježana Kordić ( pronounced   [sɲěʒana kôːrditɕ] ( listen ) ; born 29 October 1964) [1] is a Croatian linguist . [3] In addition to her work in syntax , she has written on sociolinguistics . [2] Kordić is known among non-specialists for numerous articles against the puristic and prescriptive langua

#10 Kenneth J. Lawrence

Kenneth J. Lawrence (born 1964) is an American astronomer and a discoverer of minor planets . [2] American astronomer Minor planets discovered: 32   [1] see §   List of discovered minor planets Credited by the Minor Planet Center with the discovery of 32 numbered asteroids between 1989 and 1994, he

#11 Michel Ferdinand d'Albert d'Ailly

Michel Ferdinand d'Albert d'Ailly (31 December 1714 – 23 September 1769), Duke of Picquigny and then Duke of Chaulnes from 1744, was a French astronomer , physicist and freemason . [1]

#12 Jan Muscenius

Jan Muscenius, (Jan Muszczeński alias Jan Mucha, 1532 – 21 July 1602) was a Polish astronomer , theologian, and the rector of Kraków Academy (now Jagiellonian University ). [1]

#13 Yoshikane Mizuno

Yoshikane Mizuno ( 水野 義兼 , Mizuno Yoshikane , born 1954) is a Japanese astronomer and co-discoverer of asteroids . [2] The Minor Planet Center credits him with the discovery of 52 minor planets he made at the Kani Observatory ( 403 ) between 1989 and 1993. [1] Japanese astronomer Minor planets disco

#14 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:

#15 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

#16 Kazuro Watanabe

Kazurō Watanabe ( 渡辺 和郎 , Watanabe Kazurō , born May 1, 1955) is a Japanese amateur astronomer and prolific discoverer of minor planets . [2] He was born in Hokkaidō , Japan and is a member of the Astronomical Society of Japan as well as of the Oriental Astronomical Association . Japanese astronomer

#17 Yuriy G. Shkuratov

Yuriy G. Shkuratov (born 1952) is a Ukrainian astronomer, specialist in the theory of light scattering by planetary surfaces. Corresponding member of the National Academy of Sciences of Ukraine (2012), winner of the State Prize of the Ukrainian SSR in Science and Technology (1986). Director of the I

#18 Paul G. Comba

Paul G. Comba (1926 – April 5, 2017) was an Italian-American computer scientist , an amateur astronomer and a prolific discoverer of minor planets . [2] Paul G. Comba Born 1926   ( 1926 ) Tunisia Died April 4, 2017 (2017-04-04) (aged   90–91) Education Ph.D. Alma   mater University of Turin , Blufft

#19 Freimut Börngen

Freimut Börngen ( German: [ˈfʁaɪmuːt ˈbœʁŋən] ; 17 October 1930 – 19 June 2021) was a German astronomer and a prolific discoverer of minor planets . [2] A few sources give his first name wrongly as "Freimuth". The Minor Planet Center credits him as F. Borngen . German astronomer (1930–2021) Minor pl

#20 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


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Science / Science


#1 Hubble Ultra-Deep Field

The Hubble Ultra-Deep Field ( HUDF ) is a deep-field image of a small region of space in the constellation Fornax , containing an estimated 10,000 galaxies . The original data for the image was collected by the Hubble Space Telescope from September 2003 to January 2004. It includes light from galaxi


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Star / Star


#1 WISE 1800+0134

WISEP J180026.60+013453.1 (designation is abbreviated to W1800+0134 [1] ) is a brown dwarf of spectral class L7.5, [1] located in constellation Ophiuchus at approximately 26 light-years from Earth. [1] Brown dwarf in the constellation Ophiuchus WISEP J180026.60+013453.1 Observation data Epoch 2010.2


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