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langs: 18 января [ru] / january 18 [en] / 18. januar [de] / 18 janvier [fr] / 18 gennaio [it] / 18 de enero [es]

days: january 15 / january 16 / january 17 / january 18 / january 19 / january 20 / january 21

Asteroid / Asteroid


#1 907 Rhoda

907 Rhoda is a large background asteroid from the central region of the asteroid belt , that measures approximately 75 kilometers (47 miles) in diameter. It was discovered on 12 November 1918, by astronomer Max Wolf at the Heidelberg Observatory in southwest Germany. [1] The dark C / X-type asteroid

#2 677 Aaltje

677 Aaltje is a main-belt minor planet orbiting the Sun , discovered by August Kopff at Heidelberg on January 18, 1909. It was named after the Dutch singer Aaltje Noordewier-Reddingius . 677 Aaltje Discovery Discovered   by August Kopff Discovery   site Heidelberg Discovery   date 18 January 1909 De

#3 (585310) 2017 YZ1

(585310) 2017 YZ 1 , provisional designation : 2017 YZ 1 , is a sub-kilometer asteroid on an eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 250 meters (800 feet) in diameter. It was first observed on 20 December 2017, by astron

#4 2021 AV7

2021 AV 7 is a near-Earth asteroid of the Apollo group , discovered by astronomers Alain Maury and G. Attard at San Pedro de Atacama , Chile on 15 January 2021. With an estimated diameter of 450–1,000   m (1,480–3,280   ft) , it is considered a potentially hazardous asteroid . It has a highly ellipt

#5 (17511) 1992 QN

(17511) 1992 QN is a small, bright Apollo asteroid discovered on August 29 1992 by American astronomers Eleanor Helin and Jeff Alu at the Palomar Observatory , California , United States . It is a near-Earth asteroid whose orbit crosses that of Mars and Earth (a Mars and Earth-crossing asteroid). On

#6 221 Eos

Eos ( minor planet designation : 221 Eos ) is a large main-belt asteroid that was discovered by Austrian astronomer Johann Palisa on January 18, 1882, in Vienna . In 1884, it was named after Eos , the Greek goddess of the dawn , to honour the opening of a new observatory that was hoped to bring abou

#7 468 Lina

Lina ( minor planet designation : 468 Lina ), provisional designation 1901 FZ , is a dark Themistian asteroid from the outer region of the asteroid belt , approximately 60 kilometers (37 miles) in diameter. It was discovered on 18 January 1901, by German astronomer Max Wolf at the Heidelberg Observa

#8 (7482) 1994 PC1

(7482) 1994 PC 1 is a stony asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 1.1 kilometers in diameter. It was discovered on 9 August 1994, by astronomer Robert McNaught at the Siding Spring Observatory in Coonabarabran, Australia. [2

#9 972 Cohnia

972 Cohnia is a minor planet orbiting the Sun , one of several such in the asteroid belt . It was discovered on 18 January 1908 by a team in Heidelberg led by Max Wolf . In 2007, lightcurve data showed that Cohnia rotates every 18.472 ± 0.004 hours. [2] 972 Cohnia Discovery Discovered   by Max Wolf

#10 1523 Pieksämäki

1523 Pieksämäki , provisional designation 1939 BC , is a stony Florian asteroid from the inner regions of the asteroid belt , approximately 9 kilometers in diameter. It was discovered on 18 January 1939, by Finnish astronomer Yrjö Väisälä at the Turku Observatory in Southwest Finland, and named for

#11 807 Ceraskia

807 Ceraskia ( prov. designation : A915 HF or 1915 WY ) is an elongated Eos asteroid from the outer regions of the asteroid belt . It was discovered on 18 April 1915, by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory in southwest Germany. [1] The S-type asteroid has a rota

#12 2015 BP513

2015 BP 513 (also written 2015 BP513 ) is an Apollo near-Earth asteroid roughly 12–27   meters in diameter that passed less than 1 lunar distance from Earth on 18 January 2015. [5] 2015 BP 513 Discovery [1] [2] [3] Discovered   by Pan-STARRS 1 (first observered) Discovery   site Haleakala Obs. Disco

#13 1299 Mertona

1299 Mertona ( prov. designation : 1934 BA ) is a bright background asteroid from the central region of the asteroid belt . It was discovered on 18 January 1934, by French astronomer Guy Reiss at Algiers Observatory , Algeria, in northern Africa. [1] The likely stony asteroid with an unknown spectra

#14 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

#15 773 Irmintraud

773 Irmintraud , provisional designation 1913 TV, is a dark and reddish, rare-type asteroid from the outer region of the asteroid belt , about 92 kilometers in diameter. It was discovered on 22 December 1913, by German astronomer Franz Kaiser at Heidelberg Observatory in southern Germany. [11] 773 I

#16 2296 Kugultinov

2296 Kugultinov , provisional designation 1975 BA 1 , is a carbonaceous Themistian asteroid from the outer region of the asteroid belt , approximately 20 kilometers in diameter. 2296 Kugultinov Discovery   [1] Discovered   by L. Chernykh Discovery   site Crimean Astrophysical Obs. Discovery   date 1

#17 501 Urhixidur

Urhixidur ( minor planet designation : 501 Urhixidur ) is a relatively large (ranked 372nd by IRAS ) main belt asteroid . It was discovered on 18 January 1903, by astronomer Max Wolf (1863–1932), at the Heidelberg Observatory in southwest Germany. Like 500 Selinur and 502 Sigune , it is named after

#18 2018 BD

2018 BD is a small asteroid and near-Earth object of the Apollo group , approximately 2–6 meters (7–20   ft) in diameter. It was first observed on 18 January 2018, by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory , Arizona, United States, [1] just hours before passing about 0.10

#19 1991 BA

1991 BA is a sub-kilometer asteroid , classified as near-Earth object of the Apollo group that was first observed by Spacewatch on 18 January 1991, and passed within 160,000   km (100,000   mi) of Earth . [2] [3] This is a little less than half the distance to the Moon . With a 5-hour observation ar


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Comet / Comet


#1 C/2014 Q2 (Lovejoy)

C/2014 Q2 (Lovejoy) is a long-period comet discovered on 17 August 2014 by Terry Lovejoy using a 0.2-meter (8   in) Schmidt–Cassegrain telescope . [2] It was discovered at apparent magnitude 15 in the southern constellation of Puppis . [2] It is the fifth comet discovered by Terry Lovejoy. Its blue-

#2 Comet McNaught

Comet McNaught , also known as the Great Comet of 2007 and given the designation C/2006 P1 , is a non-periodic comet discovered on 7 August 2006 by British-Australian astronomer Robert H. McNaught using the Uppsala Southern Schmidt Telescope . [4] It was the brightest comet in over 40 years, and was

#3 Great January Comet of 1910

The Great January Comet of 1910 , formally designated C/1910 A1 and often referred to as the Daylight Comet , [2] was a comet which appeared in January 1910. It was already visible to the naked eye when it was first noticed, and many people independently "discovered" the comet. At its brightest, it

#4 Comet of 1729

The Comet of 1729 , also known as C/1729 P1 or Comet Sarabat , was an assumed parabolic comet with an absolute magnitude of −3, [3] [4] the brightest ever observed for a comet; [5] it is therefore considered to be potentially the largest comet ever seen. [6] With an assumed eccentricity of 1, [1] it

#5 Great Southern Comet of 1887

The Great Southern Comet of 1887 , or C/1887 B1 using its International Astronomical Union (IAU) designation, was a bright comet seen from the Southern Hemisphere during January 1887. Later calculations indicated it to be part of the Kreutz Sungrazing group. C/1887 B1 Observations of the tail of C/1

#6 31P/Schwassmann–Wachmann

31P/Schwassmann–Wachmann , also known as Schwassmann–Wachmann 2 , is a periodic comet in the Solar System . It was discovered on January 17, 1929, at an apparent magnitude of 11. [3] The comet has been seen at every apparition. Periodic comet with 8 year orbit 31P/Schwassmann–Wachmann Discovery Disc


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Galaxy / Galaxy


#1 NGC 575

NGC 575 is a barred spiral galaxy of Hubble type SB(rs)c in the constellation Pisces . It is approximately 145 million light years from the Milky Way and has a diameter of about 70,000 light years . Barred spiral galaxy in the constellation of Pisces NGC 575 SDSS image Observation data (J2000 epoch

#2 Messier 58

Messier 58 (also known as M58 and NGC 4579 ) is an intermediate barred spiral galaxy with a weak inner ring structure located within the constellation Virgo , approximately 68 million light-years away from Earth . [6] [7] It was discovered by Charles Messier on April 15, 1779 and is one of four barr

#3 NGC 4318

NGC 4318 is a small lenticular galaxy [3] located about 72 million light-years away [5] in the constellation Virgo . It was discovered by astronomer John Herschel on January 18, 1828. [6] NGC 4318 is a member of the Virgo W′ group , [2] [7] [8] [9] a group of galaxies in the background of the Virgo

#4 NGC 4522

NGC 4522 is an edge-on spiral galaxy located about 60 million light-years away within the Virgo Cluster [3] in the constellation Virgo . [4] NGC 4522 is losing its molecular gas though ram-pressure stripping as it plows though the cluster at a speed of more than 10 million kilometres per hour. [5] T

#5 NGC 4578

NGC 4578 is a lenticular galaxy located about 55 million light-years away [2] in the constellation Virgo . [3] NGC 4578 was discovered by astronomer William Herschel on January 18, 1784 [4] and is a member of the Virgo Cluster . [5] [6] Lenticular galaxy in the constellation Virgo NGC 4578 SDSS imag


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Institution / Institution


#1 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

#2 Mount Stromlo Observatory

Mount Stromlo Observatory located just outside Canberra , Australia , is part of the Research School of Astronomy and Astrophysics at the Australian National University (ANU). Observatory Mount Stromlo Observatory Remains of the old administration building with the dome of the Farnham telescope Obse

#3 Purple Mountain Observatory

The Purple Mountain Observatory ( Chinese : 紫金山天文台 ; pinyin : Zǐjīnshān Tiānwéntái ), also known as Zijinshan Astronomical Observatory is an astronomical observatory located on the Purple Mountain in the east of Nanjing . [lower-alpha 1] Observatory Purple Mountain Observatory Purple Mountain Observ

#4 Kleť Observatory

Kleť Observatory ( Czech : Hvězdárna Kleť ; obs. code : 046 ) is an astronomical observatory in the Czech Republic . It is situated in South Bohemia , south of the summit of Mount Kleť , near the town of České Budějovice . Constructed in 1957, the observatory is at an altitude of 1,070 metres (3,510


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Meteorite / Meteorite


#1 Tagish Lake (meteorite)

The Tagish Lake meteorite fell at 16:43 UTC on 18 January 2000 in the Tagish Lake area in northwestern British Columbia , Canada. Stony meteorite Tagish Lake A 159 gram fragment of the Tagish Lake meteorite Type Chondrite Class Carbonaceous chondrite Group C2 ungrouped Shock stage S1 Country Canada


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Researcher / Researcher


#1 John Call Cook

John Call Cook (April 7, 1918 – October 12, 2012) was an American geophysicist who played a crucial role in establishing the field of ground-penetrating radar and is generally regarded as contributing the fundamental research to develop the field. [2] Cook is also known for demonstrating that aerial

#2 Chandra Wickramasinghe

Nalin Chandra Wickramasinghe MBE (born 20 January 1939) is a Sri Lankan -born British mathematician, astronomer [1] and astrobiologist of Sinhalese ethnicity. His research interests include the interstellar medium , infrared astronomy , light scattering theory, applications of solid-state physics to

#3 Arthur Scott King

Arthur Scott King (January 18, 1876 – April 17, 1957) was an American physicist and astrophysicist . American physicist and astrophysicist Arthur Scott King King at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory , 1910 Born 18 January 1876 Jer

#4 Spiru Haret

Spiru C. Haret ( Romanian pronunciation:   [ˈspiru haˈret] ; 15 February 1851 – 17 December 1912) was a Romanian mathematician , astronomer , and politician . He made a fundamental contribution to the n -body problem in celestial mechanics by proving that using a third degree approximation for the d

#5 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

#6 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

#7 Stefano Sposetti

Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets . [2] [3] He lives in Gnosca , in the Italian-speaking part of Switzerland in the Ticino Alps , where the Gnosca Observatory is located. Swiss astronomer Flyby of Asteroid 2004 FH in Mar

#8 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

#9 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

#10 Geoffrey Perry

Geoffrey E. Perry MBE (4 August 1927, Braintree, Essex – 18 January 2000, Bude ) was a physics teacher at Kettering Grammar School , Northamptonshire , England who, together with his colleague Derek Slater, and students, deduced the existence of the previously-secret Plesetsk Cosmodrome in 1966 by a

#11 Takeshi Urata

Takeshi Urata ( 浦田 武 , Urata Takeshi , 1947 – December 15, 2012) [2] was a Japanese astronomer . He was a prolific discoverer of asteroids , observing at Nihondaira Observatory . Japanese astronomer Minor planets discovered: 642   [1] see §   List of discovered minor planets In 1978 he became the fi

#12 Edward M. Sion

Edward M Sion (born January 18, 1946) is an American astrophysicist who is Professor in the Department of Astrophysics and Planetary Science at Villanova University . He specializes on the structure and evolution of white dwarf stars and white dwarf stars in explosive binary star systems known as ca

#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 Chinthamani Ragoonatha Chary

Chinthamani Ragoonatha Chary (1822 or "17 March" 1828 – 5 February 1880) was an Indian astronomer who worked at the Madras Observatory along with N.R. Pogson . He was the first Indian Fellow of the Royal Astronomical Society and is known for his studies of variable stars and the discovery of R Retic

#15 Wilhelm Julius Foerster

Wilhelm Julius Foerster (16 December 1832 – 18 January 1921) was a German astronomer . His name can also be written Förster , but is usually written "Foerster" even in most German sources where 'ö' is otherwise used in the text. German astronomer This article may be expanded with text translated fro

#16 Johann Palisa

Johann Palisa (6 December 1848 – 2 May 1925) was an Austrian astronomer , born in Troppau , Austrian Silesia , now Czech Republic . [1] He was a prolific discoverer of asteroids , discovering 122 in all, from 136 Austria in 1874 to 1073 Gellivara in 1923. [2] Some of his notable discoveries include

#17 Nobuhiro Kawasato

Nobuhiro Kawasato ( 川里 信弘 , Kawasato Nobuhiro ) is a Japanese astronomer credited by the Minor Planet Center with the discovery of 105 asteroids he made partially in collaboration with astronomer Tsutomu Hioki at Okutama Observatory ( 877 ), Japan, between 1988 and 2000. [1] [2] Japanese astronomer

#18 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

#19 Guy Reiss

Guy Reiss (1904–1964) was a French astronomer and discoverer of five asteroids , who worked at the Algiers Observatory in Algiers, North Africa, during the 1930s and later at the Nice Observatory in southeastern France. [1] [2] French astronomer Minor planets discovered: 5   [1] 1213 Algeria 5 Decem

#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 GQ Muscae

GQ Muscae , also known as Nova Muscae 1983 is a nova in the constellation Musca , which was discovered by William Liller at 03:20 UT on 18 January 1983. [8] At the time of its discovery it was a magnitude ≈7.2 object, and it subsequently faded. [3] [9] Nova in the constellation Musca GQ Muscae A vis


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