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langs: 23 марта [ru] / march 23 [en] / 23. märz [de] / 23 mars [fr] / 23 marzo [it] / 23 de marzo [es]

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


Asteroid / Asteroid


#1 3430 Bradfield

3430 Bradfield ( prov. designation : 1980 TF 4 ) is a stony Agnia asteroid from the central regions of the asteroid belt , approximately 8 kilometers (5 miles) in diameter. It was discovered on 9 October 1980, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California. The S q

#2 2658 Gingerich

2658 Gingerich , provisional designation 1980 CK , is a background asteroid and a suspected synchronous binary system from the outer regions of the asteroid belt , approximately 13 kilometers (8 miles) in diameter. It was discovered on 13 February 1980, by astronomers of the Harvard College Observat

#3 221628 Hyatt

221628 Hyatt , provisional designation 2006 YE 13 , is a background asteroid on an inclined, comet -like orbit in the outer regions of the asteroid belt , approximately 7 kilometers (4 miles) in diameter. It was discovered on 26 December 2006, by Alex Gibbs , an American software engineer with the C

#4 907 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

#5 4332 Milton

4332 Milton , provisional designation 1983 RC , is a background asteroid from the central regions of the asteroid belt , approximately 11 kilometers (7 miles) in diameter. It was discovered on 5 September 1983, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California. [1] Th

#6 5259 Epeigeus

5259 Epeigeus / ɪ ˈ p iː dʒ iː ə s / is a mid-sized Jupiter trojan from the Greek camp , approximately 44 kilometers (27 miles) in diameter. It was discovered on 30 January 1989, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. [1] The D-type aster

#7 5652 Amphimachus

5652 Amphimachus / æ m ˈ f ɪ m ə k ə s / is a Jupiter trojan from the Greek camp , approximately 53 kilometers (33 miles) in diameter. It was discovered on 24 April 1992, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. [1] The dark Jovian asteroid

#8 5025 Mecisteus

5025 Mecisteus , provisional designation : 1986 TS 6 , is a larger Jupiter trojan from the Greek camp , approximately 50 kilometers (31 miles) in diameter. The unusual C / X-type Jovian asteroid is possibly a slow rotator with a rotation period of 250 hours. [7] It was discovered on 5 October 1986 b

#9 2893 Peiroos

2893 Peiroos / ˈ p ɪ r oʊ ə s / is a large Jupiter trojan from the Trojan camp , approximately 87 kilometers (54 miles) in diameter. It was discovered on 30 August 1975, by astronomers of the Felix Aguilar Observatory at the Leoncito Astronomical Complex in Argentina. [1] The D-type asteroid has a r

#10 46610 Bésixdouze

46610 Bésixdouze ( French pronunciation:   ​ [be.sis.duːz] ), provisional designation 1993 TQ 1 , is a bright background asteroid from the inner regions of the asteroid belt , approximately 2 kilometers in diameter. It was discovered on 15 October 1993, by Japanese amateur astronomers Kin Endate and

#11 2903 Zhuhai

2903 Zhuhai , provisional designation 1981 UV 9 , is a stony background or Marian asteroid from the central regions of the asteroid belt , approximately 14 kilometers (8.7 miles) in diameter. It was discovered on 23 October 1981, by astronomers at Purple Mountain Observatory near Nanking, China. [1]

#12 4715 Medesicaste

4715 Medesicaste ( prov. designation : 1989 TS 1 ) is a dark Jupiter trojan from the Trojan camp , approximately 64 kilometers (40 miles) in diameter. It was discovered on 9 October 1989, by Japanese astronomer Yoshiaki Oshima at the Gekko Observatory east of Shizuoka, Japan. [1] The assumed C-type

#13 3428 Roberts

3428 Roberts ( prov. designation : 1952 JH ) is a background asteroid from the central regions of the asteroid belt , approximately 17 kilometers (11 miles) in diameter. It was discovered on 1 May 1952, by Indiana University's Indiana Asteroid Program at its Goethe Link Observatory near Brooklyn, In

#14 4185 Phystech

4185 Phystech , provisional designation 1975 ED , is a Florian or background asteroid from the inner regions of the asteroid belt , approximately 6 kilometers (4 miles) in diameter. It was discovered on 4 March 1975, by Soviet astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Na

#15 5285 Krethon

5285 Krethon / ˈ k r iː θ ɒ n / is a Jupiter trojan from the Greek camp , approximately 52 kilometers (32 miles) in diameter. It was discovered on 9 March 1989, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California. [1] The dark Jovian asteroid belongs t

#16 5185 Alerossi

5185 Alerossi , provisional designation 1990 RV 2 , is a background asteroid from the central region of the asteroid belt , approximately 13 miles (21 kilometers) in diameter. It was discovered on 15 September 1990, by American astronomer Henry Holt at Palomar Observatory in California, United State

#17 3754 Kathleen

3754 Kathleen , provisional designation 1931 FM , is a large background asteroid from the outer regions of the asteroid belt , approximately 55 kilometers (34 miles) in diameter. It was discovered at the Lowell Observatory near Flagstaff, Arizona, on 16 March 1931, by American astronomer Clyde Tomba

#18 6709 Hiromiyuki

6709 Hiromiyuki , provisional designation 1989 CD , is a background or Florian asteroid from the inner regions of the asteroid belt , approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 2 February 1989, by Japanese amateur astronomers Masaru Arai and Hiroshi Mori at the Yorii Ob

#19 2017 FZ2

2017 FZ 2 (also written 2017 FZ2 ) is a micro- asteroid and near-Earth object of the Apollo group that was a quasi-satellite of the Earth until March 23, 2017. [6] 2017 FZ 2 Discovery Discovered   by Mt. Lemmon Survey G. J. Leonard (unofficial credits) Discovery   site Mount Lemmon Obs. Discovery  

#20 4760 Jia-xiang

4760 Jia-xiang , provisional designation 1981 GN 1 , is a background asteroid from the inner regions of the asteroid belt , approximately 5 kilometers (3 miles) in diameter. It was discovered on 1 April 1981, by astronomers at Harvard University's Oak Ridge Observatory in Massachusetts, United State


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Comet / Comet


#1 C/1865 B1

C/1865 B1 (Great Southern Comet of 1865) was a non-periodic comet , which in 1865 was so bright that it was visible to unaided-eye observations in the Southern Hemisphere . The comet could not be seen from the Northern Hemisphere . C/1865 B1 (Great Southern Comet of 1865) Discovery Discovered by Fra

#2 113P/Spitaler

Comet Spitaler is a periodic comet in the Solar System discovered by Rudolf Ferdinand Spitaler ( Vienna , Austria) on November 17, 1890, while attempting to observe Comet Zona (C/1890 V1). Periodic comet with 7 year orbit 113P/Spitaler Discovery Discovered by Rudolf Ferdinand Spitaler Discovery date

#3 C/2012 F6 (Lemmon)

C/2012 F6 (Lemmon) is a long-period comet discovered in Leo on 23 March 2012, by A. R. Gibbs [1] using the 1.5-m   reflector at the Mt. Lemmon Survey , located at the summit of Mount Lemmon in the Santa Catalina Mountains north of Tucson, Arizona , USA. Initially, the object was considered to be of

#4 76P/West–Kohoutek–Ikemura

76P/West–Kohoutek–Ikemura is a Jupiter -family periodic comet in the Solar System with a current orbital period of 6.48 years. [1] Periodic comet with 6 year orbit 76P/West–Kohoutek–Ikemura Discovery Discovered by Richard M. West at the European Southern Observatory Sky Atlas Laboratory, Geneva, Lub

#5 167P/CINEOS

167P/CINEOS ( P/2004 PY 42 ) is a large periodic comet and active, grey centaur , approximately 66 kilometers (41 miles) in diameter, orbiting the Sun outside the orbit of Saturn in the Solar System . It was discovered on August 10, 2004, by astronomers with the CINEOS survey at Gran Sasso in Italy.

#6 C/1999 F1 (Catalina)

C/1999 F1 (Catalina) is one of the longest known long-period comets . It was discovered on March 23, 1999, by the Catalina Sky Survey . [1] The current perihelion point is outside of the inner Solar System [4] which helps reduce planetary perturbations to this outer Oort cloud object. Oort cloud com

#7 Comet Arend–Roland

Comet Arend–Roland was discovered on November 8, 1956 by Belgian astronomers Sylvain Arend and Georges Roland on photographic plates. As the eighth comet found in 1956, it was named Arend–Roland 1956h after its discoverers. Because it was the third comet to pass through perihelion during 1957, it wa

#8 26P/Grigg–Skjellerup

Comet Grigg–Skjellerup (formally designated 26P/Grigg–Skjellerup ) is a periodic comet . It was visited by the Giotto probe in July 1992. [5] The spacecraft came as close as 200   km, but could not take pictures because some instruments were damaged from its encounter with Halley's Comet . [6] Perio


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Galaxy / Galaxy


#1 NGC 3864

NGC 3864 is a spiral galaxy located about 330 million light-years away [2] in the constellation Leo . [3] The galaxy was discovered by astronomer Édouard Stephan on March 23, 1884. [4] It is a member of the Leo Cluster . [5] Spiral galaxy in the constellation Leo NGC 3864 SDSS image of NGC 3864. Obs

#2 NGC 3426

NGC 3426 is a lenticular galaxy located in the constellation Leo . It was discovered on March 23, 1887 by the astronomer Lewis A. Swift . [4] Lenticular galaxy in the constellation Leo NGC 3426 SDSS image of NGC 3426 Observation data ( J2000 epoch ) Constellation Leo Right ascension 10 h 51 m 41.751

#3 NGC 3857

NGC 3857 is a lenticular galaxy located about 295 million light-years away [2] in the constellation Leo . [3] The galaxy was discovered by astronomer by Édouard Stephan on March 23, 1884. [4] It is a member of the Leo Cluster . [5] Lenticular galaxy in the constellation Leo NGC 3857 SDSS image of NG

#4 NGC 3867

NGC 3867 is a spiral galaxy [3] located about 350 million light-years away [4] in the constellation Leo . [5] It was discovered by astronomer Édouard Stephan [6] on March 23, 1884 [7] and is a member of the Leo Cluster . [8] [9] Spiral galaxy in the constellation Leo NGC 3867 SDSS image of NGC 3867.

#5 NGC 4393

NGC 4393 is a spiral galaxy about 46 million light-years away [2] in the constellation Coma Berenices . It was discovered by astronomer William Herschel on April 11, 1785. [3] It is a member of the NGC 4274 Group , [4] [5] which is part of the Coma I Group [6] or Cloud . [7] NGC 4393 SDSS image of N

#6 NGC 3041

NGC 3041 is an intermediate barred spiral galaxy located in the constellation Leo. It is categorized as SAB(rs)c in the galaxy morphological classification scheme. It was discovered by William Herschel on 23 March 1784. The galaxy is approximately 77 million light years away from earth. [1] [2] Barr

#7 NGC 3859

NGC 3859 is a spiral galaxy [2] located about 295 million light-years away in the constellation Leo . [3] It was discovered by astronomer Édouard Stephan on March 23, 1884. [4] The galaxy is a member of the Leo Cluster . [5] [6] Spiral galaxy in the constellation Leo NGC 3859 SDSS image of NGC 3859.

#8 NGC 3861

NGC 3861 is a large [2] barred spiral galaxy [3] [4] with a ring-like structure [3] located about 310 million light-years away [5] in the constellation Leo . [6] It was discovered by astronomer John Herschel on March 23, 1827. [7] NGC 3861 is a member of the Leo Cluster and has a normal amount of ne

#9 NGC 3868

NGC 3868 is a lenticular galaxy located about 300 million light-years away [2] in the constellation Leo . [3] NGC 3868 was discovered by astronomer Édouard Stephan on March 23, 1884. [4] [5] It is a member of the Leo Cluster . [6] Lenticular galaxy in the constellation Leo NGC 3868 SDSS image of NGC

#10 NGC 4207

NGC 4207 is a spiral galaxy [2] located about 50 million light-years away [3] in the constellation Virgo . [4] The galaxy was discovered by astronomer Heinrich d'Arrest on March 23, 1865. [5] NGC 4207 is a member of the Virgo Cluster . [6] [7] Spiral galaxy in the constellation Virgo NGC 4207 SDSS i

#11 NGC 3665

NGC 3665 is a lenticular galaxy located in the constellation Ursa Major . It is located at a distance of circa 85 million light-years from Earth, which, given its apparent dimensions, means that NGC 3665 is about 85,000 light years across. It was discovered by William Herschel on March 23, 1789. [3]


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Institution / Institution


#1 Hutton-Westfold Observatory

Hutton-Westfold Observatory is an observatory for Monash University located on Martin St near the Clayton Campus, in Melbourne , Victoria, Australia. It opened to the public on 23 March 2009. The name Hutton-Westfold is derived from the names of Don Hutton and Kevin Westfold who contributed to the f

#2 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

#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 Astron (spacecraft)

Astron was a Soviet space telescope launched on 23 March 1983 at 12:45:06 UTC , using the Proton launcher . [3] Based on the 4MV spacecraft design and operational for six years, Astron was the largest ultraviolet space telescope of its time. Soviet ultraviolet space telescope Astron Mission type Ast

#5 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

#6 Cordell–Lorenz Observatory

Cordell–Lorenz Observatory (850) is an astronomical observatory owned and operated by Sewanee:The University of the South . It is located in Sewanee, Tennessee , United States. Observatory Cordell–Lorenz Observatory Organization University of the South Observatory   code 850   Location Sewanee, Tenn

#7 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

#8 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

#9 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

#10 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) .

#11 Rossall School

Rossall School is a public school (English independent day and boarding school ) for 0–18 year olds, between Cleveleys and Fleetwood , Lancashire . Rossall was founded in 1844 by St Vincent Beechey as a sister school to Marlborough College which had been founded the previous year. Its establishment

#12 Giant Magellan Telescope

The Giant Magellan Telescope ( GMT ) is a ground-based extremely large telescope under construction, as part of the US Extremely Large Telescope Program ( US-ELTP ), as of 2022 [update] . [1] [2] It will consist of seven 8.4   m (27.6   ft) diameter primary segments, [3] that will observe optical an


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Meteorite / Meteorite


#1 Winchcombe meteorite

The Winchcombe meteorite is a meteorite that was observed entering the Earth's atmosphere as a fireball over Gloucestershire , England at 21:54 hours on 28 February 2021. Due to a public appeal, fragments were quickly recovered from the village of Winchcombe enabling it to be collected for analysis


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Researcher / Researcher


#1 Liisi Oterma

Liisi Oterma ( Finnish pronunciation:   [ˈliːsi ˈʔotermɑ] ; 6 January 1915 – 4 April 2001) was a Finnish astronomer , the first woman to get a Ph.D. degree in astronomy in Finland. [1] Finnish astronomer Liisi Oterma Born January 6, 1915 Turku Died April 4, 2001 Turku Scientific career Fields Astron

#2 Jean-Baptiste Chappe d'Auteroche

Jean-Baptiste Chappe d'Auteroche (23 March 1722 – 1 August 1769) was a French astronomer , best known for his observations of the transits of Venus in 1761 and 1769. French astronomer This article needs additional citations for verification . ( May 2014 ) Jean-Baptiste Chappe d'Auteroche Jean Chappé

#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 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

#5 William A. Bradfield

William Ashley Bradfield AM (20 June 1927 – 9 June 2014) was a New Zealand-born Australian amateur astronomer, notable as a prolific amateur discoverer of comets . [3] He gained a world record by discovering 18 comets, all of which bear his name as the sole discoverer. [4] Australian amateur astrono

#6 Eugène Joseph Delporte

Eugène Joseph Delporte (10 January 1882   – 19 October 1955) was a Belgian astronomer born in Genappe . [2] [3] Belgian astronomer Minor planets discovered: 66   [1] see §   List of discovered minor planets He discovered a total of sixty-six asteroids . Notable discoveries include 1221 Amor (which l

#7 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

#8 Ernest Leonard Johnson

Ernest Leonard Johnson (1891–1977) was a South African astronomer and a former staff member of the Union Observatory in Johannesburg, South Africa. He is known for the discovery of 18 asteroids between 1946–1951, as well as several comets . [1] On 25 August 1949, he discovered 48P/Johnson , a period

#9 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:

#10 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

#11 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

#12 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

#13 Govind Swarup

Govind Swarup (March 23, 1929 – September 7, 2020) was a pioneer in radio astronomy . In addition to research contributions in multiple areas of astronomy and astrophysics , he was a driving force behind the building of "ingenious, innovative and powerful observational facilities for front-line rese

#14 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

#15 Brett J. Gladman

Brett James Gladman (born April 19, 1966) [2] [3] is a Canadian astronomer and a full professor at the University of British Columbia 's Department of Physics and Astronomy in Vancouver , British Columbia . He holds the Canada Research Chair in planetary astronomy . [4] He does both theoretical work

#16 Jurij Vega

Baron Jurij Bartolomej Vega (also Veha ; Latin : Georgius Bartholomaei Vecha ; German : Georg Freiherr von Vega ; born Vehovec , March 23, 1754 – September 26, 1802) was a Slovene mathematician , physicist and artillery officer . Jurij Vega Born ( 1754-03-23 ) March 23, 1754 Zagorica pri Dolskem , H

#17 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

#18 Konstantin Batygin

Konstantin Batygin ( Russian : Константи́н Юрьевич Батыгин ) is an American astronomer and Professor of Planetary Sciences at Caltech . [6] [7] Not to be confused with Konstantin Badygin . Konstantin Batygin Konstantin Batygin in 2017 Born Konstantin Yuryevich Batygin ( 1986-03-23 ) 23 March 1986 (a

#19 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

#20 Raymond Wilson (physicist)

Raymond Neil Wilson (23 March 1928 – 16 March 2018) [1] was an English physicist and telescope optics designer, best known for pioneering the use of active optics in large telescopes. [2] English astronomer


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Star / Star


#1 TV Corvi

TV   Corvi , also known as Tombaugh's Star , is a dwarf nova of the SU Ursae Majoris type in the constellation Corvus that was first discovered by accident as a mysterious 12th magnitude star on a plate by Clyde Tombaugh while looking for remote planets on May 25, 1932, before its identity was confi

#2 WISE 0647−6232

WISE J064723.23−623235.5 (abbreviated WISE 0647−6232 ) is a nearby brown dwarf of spectral type Y1 ± 0.5, located in constellation Pictor at approximately 28 light-years from Earth. It is one of the two or three reddest and one of the four latest-type brown dwarfs known. [1] Star in the constellatio


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