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langs: 30 декабря [ru] / december 30 [en] / 30. dezember [de] / 30 décembre [fr] / 30 dicembre [it] / 30 de diciembre [es]

days: december 27 / december 28 / december 29 / december 30 / december 31 / january 1 / january 2

Asteroid / Asteroid


#1 2984 Chaucer

2984 Chaucer , provisionally designated 1981 YD , is a main-belt asteroid , which was discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, on 30 December 1981. [1] 2984 Chaucer Discovery   [1] Discovered   by E. Bowell Discovery   site Anderson Mes

#2 6793 Palazzolo

6793 Palazzolo , provisional designation 1991 YE , is a stony asteroid from the middle region of the asteroid belt , approximately 9 kilometers in diameter. It was discovered on 30 December 1991, by Italian amateur astronomers Ulisse Quadri and Luca Strabla at the Bassano Bresciano Observatory in no

#3 1140 Crimea

1140 Crimea , provisional designation 1929 YC , is a stony asteroid from the middle region of the asteroid belt , approximately 28 kilometers in diameter. It was discovered on 30 December 1929, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula , after which it was n

#4 2012 XE133

2012 XE 133 is an asteroid , classified as near-Earth object of the Aten group that is a temporary co-orbital of Venus . [4] 2012 XE 133 Discovery Discovered   by Catalina Sky Survey Discovery   date December 12, 2012 Designations MPC   designation 2012 XE 133 Minor   planet category Aten asteroid [

#5 3247 Di Martino

3247 Di Martino ( prov. designation : 1981 YE ) is a dark Nysa family asteroid from the inner regions of the asteroid belt . It was discovered on 30 December 1981, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station near Flagstaff, Arizona, in the United States. [1] The asteroid h

#6 60558 Echeclus

60558 Echeclus / ˈ ɛ k ɪ k l ə s / is a centaur , approximately 84 kilometers (52 miles) in diameter, located in the outer Solar System . It was discovered by Spacewatch in 2000 and initially classified as a minor planet with provisional designation 2000 EC 98 (also written 2000 EC98). Research in 2

#7 6159 Andréseloy

6159 Andréseloy ( prov. designation : 1991 YH ) is a Vesta asteroid from the inner regions of the asteroid belt , approximately 5.3 kilometers (3.3 miles) in diameter. It was discovered on 30 December 1991, by Japanese astronomers Seiji Ueda and Hiroshi Kaneda at Kushiro Observatory ( 399 ) on the i

#8 3198 Wallonia

3198 Wallonia , provisional designation 1981 YH 1 , is a stony asteroid and sizable Mars-crosser from the inner regions of the asteroid belt , approximately 7.1 kilometers (4.4 miles) in diameter. It was discovered on 30 December 1981, by Belgian astronomer François Dossin at the Haute-Provence Obse

#9 2017 YE5

2017 YE 5 is a binary pair of asteroids of approximately equal size and mass, each about 0.9   km (0.56   mi) in diameter. Classified as a near-Earth asteroid and potentially hazardous object of the Apollo group , 2017 YE 5 was discovered by amateur astronomer Claudine Rinner at the Oukaïmeden Obser

#10 6025 Naotosato

6025 Naotosato , provisional designation 1992 YA 3 , is an Eoan asteroid from the outer region of the asteroid belt , approximately 19 kilometers in diameter. It was discovered on 30 December 1992, by Japanese astronomer Takeshi Urata at the Nihondaira Observatory in Oohira, Japan. [9] The asteroid

#11 132524 APL

132524 APL , provisional designation 2002 JF 56 , is a small background asteroid in the intermediate asteroid belt . It was discovered by Lincoln Near-Earth Asteroid Research in May 2002, [1] and imaged by the New Horizons space probe on its flyby in June 2006, when it was passing through the astero

#12 2197 Shanghai

2197 Shanghai , provisional designation 1965 YN , is a carbonaceous Themistian asteroid from the outer region of the asteroid belt , approximately 22 kilometers in diameter. 2197 Shanghai Discovery   [1] Discovered   by Purple Mountain Obs. Discovery   site Purple Mountain Obs. Discovery   date 30 D

#13 486958 Arrokoth

486958   Arrokoth [lower-alpha 2] ( provisional designation 2014 MU 69 ) is a trans-Neptunian object located in the Kuiper belt . Arrokoth became the farthest and most primitive object in the Solar System visited by a spacecraft when the NASA space probe New Horizons conducted a flyby on 1   January

#14 1461 Jean-Jacques

1461 Jean-Jacques , provisional designation 1937 YL , is a metallic asteroid from the outer region of the asteroid belt , approximately 34 kilometers in diameter. It was discovered on 30 December 1937, by French astronomer Marguerite Laugier at Nice Observatory in southern France, who named it after

#15 6478 Gault

6478 Gault , provisional designation 1988 JC 1 , is a Phocaea asteroid from the inner regions of the asteroid belt , approximately 3.7 kilometers (2.3 miles) in diameter. The likely S-type asteroid was discovered on 12 May 1988, by astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observ

#16 99942 Apophis

99942 Apophis is a near-Earth asteroid and potentially hazardous asteroid with a diameter of 370 metres (1,210 feet) that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April   13, 2029. Additional observation


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Comet / Comet


#1 Great Comet of 1823

The Great Comet of 1823 , also designated C/1823 Y1 or Comet De Bréauté-Pons, was a bright comet visible in the last month of 1823 and the first months of 1824. C/1823 Y1 Coma and twin tails of the Great Comet of 1823. Discovery Discovered by Nell de Bréauté Discovery date December 29, 1823 Alternat

#2 8P/Tuttle

8P/Tuttle (also known as Tuttle's Comet or Comet Tuttle ) is a periodic comet with a 13.6-year orbit. It fits the classical definition of a Jupiter-family comet with an orbital period of less than 20 years, but does not fit the modern definition of (2 < T Jupiter < 3). [2] Its last perihelion passag

#3 2I/Borisov

2I/Borisov , originally designated C/2019 Q4 (Borisov) , [8] is the first observed rogue comet and the second observed interstellar interloper after ʻOumuamua . [9] [10] It was discovered by the Crimean amateur astronomer and telescope maker Gennadiy Borisov on 29   August 2019 UTC (30   August loca

#4 255P/Levy

255P/Levy , formerly P/2006 T1 and P/2011 Y1 , is a periodic comet with an orbital period of 5.25 years. [1] It last came to perihelion (closest approach to the Sun) on 14 January 2012. [4] During the 2006 passage the comet achieved an apparent magnitude of ~9.5. [6] Levy (PK06T010) was believed to

#5 36P/Whipple

36P/Whipple is a periodic comet in the Solar System . It is the lowest numbered Quasi-Hilda comet . [4] Periodic comet with 8 year orbit 36P/Whipple Discovery Discovered by Fred Lawrence Whipple Discovery date October 15, 1933 Alternative designations 1926 VIII; 1933 IV; 1941 III; 1948 VI; 1955 VIII


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Galaxy / Galaxy


#1 NGC 2020

NGC 2020 is an HII Region surrounding the Wolf-Rayet star BAT99-59 . [2] It is located in the Large Magellanic Cloud . Emission nebula in the constellation Dorado NGC 2020 Emission nebula H II region Left (blue) NGC 2020 and right (red) NGC 2014 , photo by Hubble Space Telescope Observation data: J2

#2 NGC 244

NGC 244 is a lenticular galaxy located in the constellation Cetus . It was discovered on December 30, 1785 by William Herschel . [2] Lenticular galaxy located in the constellation Cetus NGC 244 DSS image of NGC 244 Observation data ( J2000 epoch ) Constellation Cetus Right ascension 00 h 45 m 46.4 s

#3 NGC 400

NGC 400 is a star located in the constellation of Pisces . It was discovered on December 30, 1866 by Robert Ball . Star in the constellation of Pisces NGC 400 Observation data ( J2000 epoch ) Right ascension 1 h 9 m 2.5 s [1] Declination +32 °   43 ′   57 ″ [1] Apparent magnitude   (V) 15.3 [2] Othe

#4 NGC 1901

NGC 1901 is an open cluster in the Dorado Constellation . It has a bright middle and is a little rich, with stars from 7th magnitude downwards. The celestial object was discovered on 30 December 1836 by the British astronomer John Herschel . [5] The cluster is sparsely populated with GAIA data sugge

#5 NGC 1325

NGC 1325 is a flocculent spiral galaxy situated in the constellation of Eridanus . Located about 75 million light years away, [2] it is a member of the Eridanus cluster of galaxies, [3] a cluster of about 200 galaxies. It was discovered by William Herschel on 19 December 1799. Flocculent barred spir

#6 NGC 1255

NGC 1255 is a barred spiral galaxy approximately 69 million light-years away from Earth in the constellation of Fornax . [1] Barred spiral galaxy in the constellation Fornax NGC 1255 NGC 1255 ( NASA/ESA HST ) Observation data ( J2000.0 epoch ) Constellation Fornax Right ascension 03 h 13 m 32.04 s [

#7 NGC 4237

NGC 4237 is a flocculent [2] spiral galaxy [3] located about 60 million light-years away [4] in the constellation Coma Berenices . [5] The galaxy was discovered by astronomer William Herschel on December 30, 1783 [6] and is a member of the Virgo Cluster . [7] [8] [9] It is also classified as a LINER

#8 NGC 4013

NGC 4013 is an edge-on barred spiral galaxy about 55 million light-years away in the constellation Ursa Major . The disk of NGC 4013 shows a distinct "peanut"-shaped bulge in long exposure photographs that N-body computer simulations suggest is consistent with a stellar bar seen perpendicular to the

#9 NGC 1199

NGC 1199 is an elliptical galaxy approximately 107 million light-years away from Earth in the constellation of Eridanus . [1] It was discovered by William Herschel on December 30, 1785. [3] Elliptical galaxy in the constellation Eridanus NGC 1199 NGC 1199 ( NASA/ESA HST ) Observation data ( J2000.0

#10 NGC 401

NGC 401 is a star located in the constellation of Pisces . It was discovered on December 30, 1866 by Robert Ball . Star in the constellation Pisces NGC 401 NGC 401 Observation data ( J2000 epoch ) Constellation Pisces Right ascension 1 h 9 m 7.7 s [1] Declination +32 °   45 ′   34 ″ [1] Apparent mag

#11 Messier 65

Messier 65 (also known as NGC 3623 ) is an intermediate spiral galaxy about 35 million light-years away in the constellation Leo , within its highly equatorial southern half. It was discovered by Charles Messier in 1780. With M66 and NGC 3628 , it forms the Leo Triplet , a small close group of galax

#12 NGC 1172

NGC 1172 is an elliptical galaxy in the constellation Eridanus . It was discovered by William Herschel on December 30, 1785. [5] [6] Elliptical galaxy in the constellation Eridanus NGC 1172 Hubble image of NGC 1172 Observation data ( J2000 epoch ) Constellation Eridanus Right ascension 03 h 01 m 36.


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Institution / Institution


#1 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

#2 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

#3 Network for Astronomy School Education

Network for Astronomy School Education (NASE) is an International Astronomical Union (IAU) Working Group that works on Training Teachers for primary and secondary schools. In 2007, professor George K. Miley , IAU vice-president, invited Rosa M. Ros to begin exploring the idea of setting up an astron

#4 Manuel Foster Observatory

The Manuel Foster Observatory , originally known as the D. O. Mills Observatory after the philanthropist Darius Ogden Mills , is an astronomical observatory constructed on Cerro San Cristóbal near Santiago, Chile in 1903. It was originally built as an offshoot of the Lick observatory to observe star


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Researcher / Researcher


#1 Ibn al-Banna' al-Marrakushi

Ibn al‐Bannāʾ al‐Marrākushī , also known as Abu'l-Abbas Ahmad ibn Muhammad ibn Uthman al-Azdi ( Arabic : ابن البنّاء ) (29 December 1256 – c. 1321), was an Arab [1] mathematician , astronomer , Islamic scholar , Sufi , and a one-time astrologer . Arab mathematician and astronomer "Ibn al-Banna" redi

#2 Charles Bruce (physicist)

Charles Edward Rhodes Bruce (C.E.R. Bruce) FIEE FInstP (19 Apr 1902 in Shettleston – 30 Dec 1979) was a Scottish electrical engineer and amateur astrophysicist . [1] Charles Bruce Born ( 1902-04-19 ) 19 April 1902 Bournemouth , England Died 30 December 1979 (1979-12-30) (aged   77) Nationality Scott

#3 Nigel Henbest

Nigel Henbest FRAS [1] (born 1951) is a British astronomer, born in Manchester and educated in Northern Ireland and at Leicester University , where he studied physics , chemistry and astronomy . He did postgraduate research at the University of Cambridge before becoming a freelance science writer. H

#4 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

#5 François Auguste Claude

François Auguste Claude (30 December 1858 – 15 July 1938) was a French astronomer who worked at the Bureau des Longitudes which dealt with the measurement of longitude and the maintenance of standard time. He designed the first prismatic astrolabe in 1899. A Claude-Driencourt astrolabe made by Jobin

#6 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

#7 Milorad B. Protić

Milorad B. Protić ( Serbian Cyrillic : Милорад Б. Протић ; 19 September 1911, Belgrade – 29 October 2001, Belgrade) was a Serbian astronomer , discoverer of comets and minor planets , and three times director of the Belgrade Observatory . [2] Milorad B. Protić Minor planets discovered: 7   [1] 1517

#8 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

#9 Lewis Boss

Lewis Boss (26 October 1846 – 5 October 1912) was an American astronomer . He served as the director of the Dudley Observatory in Schenectady , New York . American astronomer Lewis Boss Born ( 1846-10-26 ) 26 October 1846 Providence , Rhode Island Died 5 October 1912 (1912-10-05) (aged   65) Albany,

#10 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

#11 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

#12 Marguerite Laugier

Marguerite Laugier (née Lhomme ) (12 September 1896 – 10 June 1976) was a French astronomer active at the Nice Observatory from the 1930s to the 1950s. [2] Contemporary astronomical articles refer to her as "Madame Laugier". [ citation needed ] French astronomer Asteroids discovered: 21   [1] 1247 M

#13 John N. Bahcall

John Norris Bahcall (December 30, 1934 – August 17, 2005) was an American astrophysicist , best known for his contributions to the solar neutrino problem , the development of the Hubble Space Telescope and for his leadership and development of the Institute for Advanced Study in Princeton . American

#14 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

#15 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

#16 Mikhail Lidov

Mikhail L'vovich Lidov ( Russian : Михаи́л Льво́вич Ли́дов , 4 October 1926–30 December 1993) was a Soviet and Russian astronomer specialising in celestial mechanics . He is best known for discovering, simultaneously with Yoshihide Kozai , the Kozai-Lidov mechanism . Soviet/Russian astronomer Mikhai

#17 Grigory Neujmin

Grigory Nikolayevich Neujmin ( Russian : Григорий Николаевич Неуймин ; 3 January 1886 [ O.S. 22 December 1885 ] – 17 December 1946) was a Georgian– Russian astronomer , native of Tbilisi in Georgia , [2] and a discoverer of numerous minor planets as well as 6 periodic and a hyperbolic comet at the P

#18 Tamara Smirnova

Tamara Mikhaylovna Smirnova ( Russian : Тама́ра Миха́йловна Смирно́ва ; 1935–2001) was a Soviet / Russian astronomer and a discoverer of minor planets and comets . [2] Russian astronomer Minor planets discovered: 135   [1] see §   List of discovered minor planets

#19 Dmitry V. Bisikalo

Dmitry Valerevich Bisikalo (born 1961) is a Russian astrophysicist and an expert in the interaction of binary stars . He is a member of the Russian Academy of Sciences , the IAU , Acting Chief of the Scientific Secretary of the Russian Academy of Sciences and Chief Researcher of the Institute of Ast

#20 Sjur Refsdal

Sjur Refsdal (30 December 1935 – 29 January 2009) was a Norwegian astrophysicist , born in Oslo . He is best known for his pioneer work on gravitational lensing , including the Chang-Refsdal lens . Norwegian astrophysicist Sjur Refsdal, Cambridge, UK, 1987


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Star / Star


#1 HD 23277

HD 23277 (HR 1138) is a spectroscopic binary [11] located in the northern circumpolar constellation Camelopardalis . With a combined apparent magnitude of 5.39, [2] it is faintly visible to the naked eye under ideal conditions. This star is located at a distance of 371 light years , [1] but is drift

#2 Nu Scorpii

Nu Scorpii ( ν Scorpii , abbreviated Nu Sco , ν Sco ) is a multiple star system in the constellation of Scorpius . It is most likely a septuple star system, [5] consisting of two close groups (designated Nu Scorpii AB and CD) that are separated by 41 arcseconds . [5] Based on parallax measurements,

#3 V445 Puppis

V445 Puppis was a nova in the constellation Puppis . It was discovered by Kazuyoshi Kanatsu of Matsue, Shimane , Japan , who recorded a peak magnitude of 8.6 on November 28, 2000. The nova was reported by Taichi Kato of Kyoto University in the International Astronomical Union circular 7552, issued o


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