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langs: 30 сентября [ru] / september 30 [en] / 30. september [de] / 30 septembre [fr] / 30 settembre [it] / 30 de septiembre [es]

days: september 27 / september 28 / september 29 / september 30 / october 1 / october 2 / october 3

Asteroid / Asteroid


#1 835 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

#2 219 Thusnelda

Thusnelda ( minor planet designation : 219 Thusnelda ) is a typical S-type Main belt asteroid . It was discovered by Johann Palisa on September 30, 1880, in Pola and was named after Thusnelda , wife of Germanic warrior Arminius . 219 Thusnelda Discovery Discovered   by Johann Palisa Discovery   date

#3 (9942) 1989 TM1

(9942) 1989 TM 1 , provisional designation 1989 TM 1 , is a background asteroid from the central region of the asteroid belt , approximately 4.5 kilometers (2.8 miles) in diameter. It was discovered on 8 October 1989, by Japanese astronomers Nobuhiro Kawasato and Tsutomu Hioki at the Okutama Observa

#4 275 Sapientia

Sapientia ( minor planet designation : 275 Sapientia ) is a very large Main belt asteroid that was discovered by Johann Palisa on 15 April 1888 in Vienna . It is classified as a C-type asteroid and is probably composed of carbonaceous material . It is named for the Roman personification of wisdom ,

#5 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

#6 864 Aase

864 Aase is an S-type asteroid belonging to the Flora family in the Main Belt . 864 Aase Discovery Discovered   by K. Reinmuth Discovery   site Heidelberg Discovery   date 30 September 1921 Designations MPC   designation (864) Aase Pronunciation English: / ˈ ɔː s ə / AW -sə Norwegian:   [ˈôːsə] Alte

#7 757 Portlandia

757 Portlandia is a main-belt asteroid 32   km in diameter. [1] It was discovered on 30 September 1908 from Taunton, Massachusetts by the amateur American astronomer Joel E. Metcalf . The asteroid was named for the city of Portland, Maine , where Hastings was a church minister at the time. [2] In No

#8 47171 Lempo

47171 Lempo , or as a binary (47171) Lempo–Hiisi (also known as 1999 TC 36 ), is a trans-Neptunian object and trinary system from the Kuiper belt , located in the outermost regions of the Solar System . It was discovered on 1 October 1999, by American astronomers Eric Rubenstein and Louis-Gregory St

#9 2014 SC324

2014 SC 324 is a sub-kilometer asteroid and fast rotator , classified as a near-Earth object of the Apollo group , approximately 50 meters in diameter. [2] It was first observed on 30 September 2014, by the Mount Lemmon Survey at an apparent magnitude of 21 using a 1.5-meter (59   in) reflecting tel

#10 81 Terpsichore

Terpsichore ( minor planet designation : 81 Terpsichore ) is a large and very dark main-belt asteroid . It has most probably a very primitive carbonaceous composition. It was found by the prolific comet discoverer Ernst Tempel on September 30, 1864. [4] It is named after Terpsichore , the Muse of da

#11 243 Ida

Ida , minor planet designation 243 Ida , is an asteroid in the Koronis family of the asteroid belt . It was discovered on 29 September 1884 by Austrian astronomer Johann Palisa at Vienna Observatory and named after a nymph from Greek mythology . Later telescopic observations categorized Ida as an S-

#12 1188 Gothlandia

1188 Gothlandia , provisional designation 1930 SB , is a stony Florian asteroid from the inner regions of the asteroid belt , approximately 12 kilometers in diameter. Discovered by astronomer Josep Comas i Solà at the Fabra Observatory in 1930, the asteroid was later named after the ancient name of

#13 (505657) 2014 SR339

(505657) 2014 SR 339 , provisional designation 2014 SR 339 , is a dark and elongated asteroid , classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 970 meters (3,200 feet) in diameter. It was discovered on 30 September 2014, by NASA's Wide-field Inf

#14 6216 San Jose

6216 San Jose , provisional designation 1975 SJ , is a background asteroid from the central regions of the asteroid belt , approximately 8 kilometers (5 miles) in diameter. It was discovered on 30 September 1975, by American astronomer Schelte Bus at the Palomar Observatory . The asteroid was named

#15 1576 Fabiola

1576 Fabiola , provisional designation 1948 SA , is a Themistian asteroid from the outer regions of the asteroid belt , approximately 27 kilometers in diameter. It was discovered on 30 September 1948, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle. [15] The asteroid

#16 (154276) 2002 SY50

(154276) 2002 SY 50 , provisional designation 2002 SY 50 , is a stony asteroid on a highly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group , approximately 1.1 kilometers (0.7 miles) in diameter. It was discovered on 30 September 2002, by astron

#17 (523622) 2007 TG422

(523622) 2007 TG 422 , provisional designation 2007 TG 422 , is a trans-Neptunian object on a highly eccentric orbit in the scattered disc region at the edge of Solar System . Approximately 260 kilometers (160 miles) in diameter, it was discovered on 3 October 2007 by astronomers Andrew Becker , And

#18 191 Kolga

191 Kolga ( minor planet designation : 191 Kolga ) is a large, dark main-belt asteroid that was discovered by German-American astronomer C. H. F. Peters on September 30, 1878, in Clinton, New York . It is named after Kolga , the daughter of Ægir in Norse mythology . [4] 191 Kolga Discovery Discovere

#19 9910 Vogelweide

9910 Vogelweide , provisional designation 3181 T-2 , is a stony Koronian asteroid and elongated slow rotator from the outer regions of the asteroid belt , approximately 5 kilometers in diameter. It was discovered during the second Palomar–Leiden trojan survey in 1973, and named after German medieval

#20 5130 Ilioneus

5130 Ilioneus / ɪ l i ˈ oʊ n iː ə s / is a dark Jupiter trojan from the Trojan camp , approximately 60 kilometers (37 miles) in diameter. It was discovered on 30 September 1989, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California. [1] The assumed C-type asteroid belongs


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Book / Book


#1 Talking About Life

Talking About Life: Conversations on Astrobiology is a non-fiction book edited by astronomer Chris Impey that consists of interviews with three dozen leading experts on the subject of astrobiology . The subject matter ranges from the nature and limits of life on Earth to the current search for exopl

#2 Bibliography of encyclopedias: astronomy and astronomers

This is a list of encyclopedias and encyclopedic/biographical dictionaries published on the subject of astronomy and astronomers in any language. Entries are in the English language except where noted. Wikipedia bibliography This list is incomplete ; you can help by adding missing items . ( Septembe

#3 The Revelation in Storm and Thunder

In March 1907 the Russian astronomer Nikolai Alexandrovich Morozov published the book Revelation In Thunderstorm And Tempest. History of the Apocalypses Origin . ( Russian : «Откровение в грозе и буре» ; German title Die Offenbarung Johannis – Eine astronomisch-historische Untersuchung , meaning in


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Comet / Comet


#1 Comet Donati

Comet Donati , or Donati's Comet , formally designated C/1858 L1 and 1858 VI , is a long-period comet named after the Italian astronomer Giovanni Battista Donati who first observed it on June 2, 1858. After the Great Comet of 1811 , it was the most brilliant comet that appeared in the 19th century.

#2 Great Comet of 1882

The Great Comet of 1882 formally designated C/1882 R1 , 1882 II , and 1882b , was a comet which became very bright in September 1882. It was a member of the Kreutz Sungrazers , a family of comets which pass within 1   R ☉ of the Sun's photosphere at perihelion . [1] [2] The comet was bright enough t

#3 15P/Finlay

Comet Finlay is a periodic comet with an orbital period of 6 years discovered by William Henry Finlay ( Royal Observatory , Cape of Good Hope , South Africa ) on September 26, 1886. The next perihelion passage is July 13, 2021 when the comet will have a solar elongation of 54 degrees at approximatel

#4 130P/McNaught–Hughes

130P/McNaught–Hughes is a periodic comet in the Solar System . It takes 6.65 years to orbit the Sun and is 4.2   km in diameter. [1] Periodic comet with 6 year orbit 130P/McNaught-Hughes Discovery Discovered by Robert H. McNaught Shaun M. Hughes Discovery date September 30, 1991 [1] Alternative desi

#5 120P/Mueller

120P/Mueller , also known as Mueller 1 , is a periodic comet in the Solar System . Periodic comet with 8 year orbit 120P/Mueller Discovery Discovered by Jean Mueller Discovery date October 18, 1987 Alternative designations 1987 XXXI; 1995 O2 Orbital characteristics A Epoch March 6, 2006 Aphelion 5.5

#6 67P/Churyumov–Gerasimenko

67P/Churyumov–Gerasimenko (abbreviated as 67P or 67P/C–G ) is a Jupiter-family comet , [10] originally from the Kuiper belt , [11] with a current orbital period of 6.45 years, [1] a rotation period of approximately 12.4 hours [9] and a maximum velocity of 135,000   km/h (38   km/s; 84,000   mph) . [


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Galaxy / Galaxy


#1 NGC 7213

NGC 7213 is a lenticular galaxy located in the constellation Grus . It is located at a distance of circa 70 million light years from Earth, which, given its apparent dimensions, means that NGC 7213 is about 75,000 light years across. [1] It was discovered by John Herschel on September 30, 1834. [2]

#2 NGC 7038

NGC 7038 is an intermediate spiral galaxy located about 210 million light-years away in the constellation of Indus . [2] [3] NGC 7038 was discovered by astronomer John Herschel on September 30, 1834. [4] Intermediate spiral galaxy in the constellation Indus NGC 7038 Intermediate spiral galaxy NGC 70

#3 NGC 7061

NGC 7061 is an Elliptical galaxy located about 400 million light-years away in the constellation of Indus . [2] [3] NGC 7061 was discovered by astronomer John Herschel on September 30, 1834. [4] Elliptical galaxy in the constellation Indus NGC 7061 The galaxy NGC 7061. Observation data ( J2000 epoch

#4 NGC 7002

NGC 7002 is a large elliptical galaxy around 320 million Light-years away from Earth in the constellation of Indus . [2] [3] The galaxy was discovered by English astronomer John Herschel on September 30, 1834. [4] NGC 7002 is also part of a group of galaxies that contains the nearby galaxy NGC 7004

#5 NGC 1

NGC 1 , also occasionally referred to as GC 1 , UGC 57 , PGC 564 or Holm 2a is an intermediate spiral galaxy of the morphological type Sbc, [1] located approximately 210 to 215 million light-years from the Solar System in the constellation Pegasus . It was discovered on 30 September 1861 by Heinrich

#6 Orion Nebula

The Orion Nebula (also known as Messier 42 , M42 , or NGC 1976 ) is a diffuse nebula situated in the Milky Way , being south of Orion's Belt in the constellation of Orion . [b] It is one of the brightest nebulae and is visible to the naked eye in the night sky with apparent magnitude 4.0. It is 1,34

#7 Robert's Quartet

Robert's Quartet is a compact galaxy group approximately 160 million light-years away in the constellation Phoenix . It is a family of four very different galaxies whose proximity to each other has caused the creation of about 200 star-forming regions and pulled out a stream of gas and dust 100,000


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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 Stratospheric Observatory for Infrared Astronomy

The Stratospheric Observatory for Infrared Astronomy ( SOFIA ) was an 80/20 joint project of NASA and the German Aerospace Center (DLR) [1] to construct and maintain an airborne observatory . NASA awarded the contract for the development of the aircraft, operation of the observatory and management o

#3 Oak Ridge Observatory

The Oak Ridge Observatory ( ORO , code: 801 ), also known as the George R. Agassiz Station , is located at 42 Pinnacle Road, Harvard, Massachusetts . It was operated by the Center for Astrophysics | Harvard & Smithsonian as a facility of the Smithsonian Astrophysical Observatory (SAO) from 1933 unti

#4 Camille Flammarion Observatory

The observatory was established in Juvisy-sur-Orge in 1883 by the French astronomer and author Camille Flammarion . In March 2010, the structure was classified as a historical monument by the French Ministry of Culture . The observatory belongs to the Société astronomique de France . Observatory Cam

#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 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

#7 Astronomical Society of India

The Astronomical Society of India ( ASI ) is an Indian society of professional astronomers and other professionals from related disciplines. It was founded in 1972, with Vainu Bappu being the founder President of the Society, and as of 2010 has a membership of approximately 1000. Its registered offi

#8 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  

#9 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

#10 Perth Observatory

The Perth Observatory is the name of two astronomical observatories located in Western Australia (WA). In 1896, the original observatory was founded in West Perth on Mount Eliza overlooking the city of Perth (obs. code 319 ). Due to the city's expansion, the observatory moved to Bickley in 1965. The

#11 LIGO

The Laser Interferometer Gravitational-Wave Observatory ( LIGO ) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. [1] Two large observatories were built in the United States with

#12 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

#13 Green Bank Telescope

The Robert C. Byrd Green Bank Telescope ( GBT ) in Green Bank, West Virginia , US is the world's largest fully steerable radio telescope , [1] surpassing the Effelsberg 100-m Radio Telescope in Germany. [2] The Green Bank site was part of the National Radio Astronomy Observatory (NRAO) until Septemb


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Researcher / Researcher


#1 Zdeněk Švestka

Zdeněk Švestka (30 September 1925 – 2 March 2013) was a Czech astronomer. For several decades he was the world's leading expert on solar flares . He studied mathematics and physics at Charles University , Prague, until graduating in 1948. Together with Cornelis de Jager , he was the co-founder and e

#2 Albert George Wilson

Albert George Wilson (July 28, 1918   – August 27, 2012) was an American astronomer and a discoverer of minor planets . [2] [3] American astronomer Minor planets discovered: 5   [1] 1620 Geographos 14 September 1951 list   [A] 1915 Quetzálcoatl 9 March 1953 list 1980 Tezcatlipoca 19 June 1950 list  

#3 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 §  

#4 Omer Blaes

Omer Michael Blaes (born April 30, 1961) is an American astrophysicist. He is a professor of physics at University of California, Santa Barbara . American astrophysicist Omer Blaes Born April 30, 1961   ( 1961-04-30 ) (age   61) Alma   mater Queen Mary University of London (BSc) International School

#5 Sylvain Arend

Sylvain Julien Victor Arend (6 August 1902 – 18 February 1992) was a Belgian astronomer born in Robelmont , Luxembourg province, Belgium . His main interest was astrometry . [2] Belgian astronomer Minor planets discovered: 51   [1] see §   List of discovered minor planets Together with Georges Rolan

#6 Frank Kameny

Franklin Edward Kameny (May 21, 1925   – October 11, 2011) [1] was an American gay rights activist. He has been referred to as "one of the most significant figures" in the American gay rights movement . [2] American gay rights activist (1925–2011) Frank Kameny Kameny in 2010 Born Franklin Edward Kam

#7 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:

#8 Henry Crozier Keating Plummer

Henry Crozier Keating Plummer FRS [1] FRAS (24 October 1875 – 30 September 1946) was an English astronomer .

#9 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

#10 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

#11 Phil Plait

Philip Cary Plait (born September 30, 1964), [1] also known as The Bad Astronomer , is an American astronomer , skeptic , and popular science blogger. Plait has worked as part of the Hubble Space Telescope team, images and spectra of astronomical objects, as well as engaging in public outreach advoc

#12 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

#13 Tom Stafford (astronomer)

Tom Stafford is an American astronomer who has discovered a number of asteroids since 1997, [1] including 12061 Alena , [2] 12533 Edmond , [3] 13436 Enid , [4] 13688 Oklahoma [5] and 15904 Halstead [6] at Zeno Observatory (observatory code 727) in Edmond, Oklahoma . He is the son of Joseph W. Staffo

#14 William Allen Miller

William Allen Miller FRS (17 December 1817 – 30 September 1870) was a British scientist . British scientist William Allen Miller William Allen Miller Born 17 December 1817 Died 30 September 1870   ( 1870-10-01 ) (aged   52) Nationality English Alma   mater King's College London Awards Gold Medal of

#15 Ana Teresa Diego

Ana Teresa Diego (b. 1954 – d. 1976) [1] was an Argentine student of astronomy forcibly disappeared by the military dictatorship of Argentina during the Dirty War on 30 September 1976. The asteroid 11441 Anadiego now bears her name. [2] Argentine astronomy student Ana Teresa Diego Born 5 November 19

#16 Luboš Kohoutek

Luboš Kohoutek ( Czech pronunciation: [ˈkoɦou̯tɛk] , born 29 January 1935) is a Czech astronomer and a discoverer of minor planets and comets , including Comet Kohoutek which was visible to the naked eye in 1973. [2] [3] He also discovered a large number of planetary nebulae . [4] Czech astronomer L

#17 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

#18 W. Albert Hiltner

William Albert Hiltner (27 August 1914 – 30 September 1991) was an American astronomer , noted for his work leading up to the discovery of interstellar polarization . [1] [2] He was an early practitioner of precision stellar photometry, and a pioneering observer of the optical counterparts of celest

#19 Antonín Mrkos

Antonín Mrkos ( Czech pronunciation: [ˈantoɲiːn ˈmr̩kos] ) (27 January 1918, Střemchoví – 29 May 1996, Prague ) was a Czech astronomer . Czech astronomer Antonín Mrkos Minor planets discovered: 274   [1] see §   List of discovered minor planets

#20 Mikheil Vashakidze

Mikheil Alexandres dze Vashakidze ( Georgian : მიხეილ ვაშაკიძე; August 15, 1909 – November 27, 1956) [1] was a Georgian astronomer working in the Abastumani astrophysical observatory (Georgia) from 1936 to 1956. He and Victor Alekseyevich Dombrovsky (Виктор Алексеевич Домбровский) (September 30, 191


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Star / Star


#1 IPTF14hls

iPTF14hls is an unusual supernova star that erupted continuously for about 1,000 days beginning in September 2014 [2] before becoming a remnant nebula . [3] It had previously erupted in 1954. [4] None of the theories nor proposed hypotheses fully explain all the aspects of the object. Supernova star

#2 SN 2011fe

SN 2011fe , initially designated PTF 11kly , was a Type Ia supernova discovered by the Palomar Transient Factory (PTF) survey on 24 August 2011 during an automated review of images of the Messier 101 from the nights of 22 and 23 August 2011. It was located in Messier 101, the Pinwheel Galaxy , 21 mi

#3 Pollux (star)

Pollux is the brightest star in the constellation of Gemini . It has the Bayer designation β Geminorum , which is Latinised to Beta Geminorum and abbreviated Beta Gem or β Gem . This is an orange-hued, evolved giant star located at a distance of 34 light-years , making it the closest giant to the Su

#4 SN 1181

First observed between August 4 and August 6, 1181, Chinese and Japanese astronomers recorded the supernova now known as SN 1181 in eight separate texts. One of only nine supernovae in the Milky Way observable with the naked eye in recorded history , [4] it appeared in the constellation Cassiopeia a


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