langs: 27 апреля [ru] / april 27 [en] / 27. april [de] / 27 avril [fr] / 27 aprile [it] / 27 de abril [es]
days: april 24 / april 25 / april 26 / april 27 / april 28 / april 29 / april 30
#1 7066 Nessus
7066 Nessus / ˈ n ɛ s ə s / is a very red centaur on an eccentric orbit, located beyond Saturn in the outer Solar System . It was discovered on 26 April 1993, by astronomers of the Spacewatch program at the Kitt Peak National Observatory in Tucson, Arizona . [1] The dark and reddish minor planet is
23436 Alekfursenko , provisional designation 1982 UF 8 , is a carbonaceous Hygiean asteroid from the outer region of the asteroid belt , approximately 8.4 kilometers (5.2 miles) in diameter. It was discovered on 21 October 1982, by Russian–Ukrainian astronomer Lyudmila Zhuravleva at the Crimean Astr
(612093) 1999 LE 31 , prov. designation : 1999 LE 31 , is a centaur and damocloid on a retrograde and eccentric orbit from the outer region of the Solar System . It was first observed on 12 June 1999, by astronomers with the LINEAR program at the Lincoln Lab's ETS near Socorro, New Mexico, in the Un
(175706) 1996 FG 3 is a carbonaceous asteroid and binary system , [4] classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.7 kilometers (1.1 miles) in diameter. The primary has a spheroidal shape. Its minor-planet moon measures approximately 490 met
#5 2015 FJ345
2015 FJ 345 is a trans-Neptunian object and detached object , located in the scattered disc , the outermost region of the Solar System . It was first observed on 17 March 2015, by a team led by American astronomer Scott Sheppard at the Mauna Kea Observatories , Hawaii, United States. With its perihe
#6 2017 AG13
2017 AG 13 is a small Aten asteroid that made a close approach of 0.54 lunar distances from Earth on January 9, 2017. [4] It was the largest asteroid to pass less than 1 lunar distance from Earth since 2016 QA 2 on August 28, 2016. The Catalina Sky Survey observed it first on January 7, 2017, only t
#7 2019 OU1
2019 OU 1 [lower-alpha 1] is a sub-kilometre asteroid , classified as a near-Earth object of the Apollo group . [1] [2] On 28 August 2019, the object safely passed 1.028 million kilometres from Earth, [3] travelling at around 13 km/s (47,000 km/h) . [2] 2019 OU 1 Discovery [1] Discovered by Pa
53311 Deucalion / dj uː ˈ k eɪ l i ə n / , provisional designation 1999 HU 11 , is a trans-Neptunian object from the classical Kuiper belt , with a diameter of approximately 130–210 kilometers (81–130 miles) , located in the outermost region of the Solar System . The cubewano belongs to the cold pop
(455502) 2003 UZ 413 , also written as 2003 UZ413 , is a trans-Neptunian object (TNO) with an absolute magnitude of 4.38. [5] It is in a 2:3 orbital resonance with Neptune , thus it is classified as a plutino . [3] There are indications it may be dense enough to be a dwarf planet . It was given the
#10 2002 RN109
2002 RN 109 is a trans-Neptunian object and damocloid on a highly eccentric, cometary -like orbit. It was first observed on 6 September 2002, by astronomers with the Lincoln Near-Earth Asteroid Research at the Lincoln Lab's ETS near Socorro, New Mexico, in the United States. [1] The unusual object m
#11 2018 RY7
2018 RY 7 , is a small near-Earth object of the Apollo group . It is currently trapped in a 3:5 mean motion resonance with Venus . [6] The object was first observed on 14 September 2018, by astronomer B. M. Africano with the Mount Lemmon Survey at Mount Lemmon Observatory , Arizona, United States. [
#12 7638 Gladman
7638 Gladman , provisional designation 1984 UX , is a stony background asteroid from the central region of the asteroid belt , approximately 5.8 kilometers (3.6 miles) in diameter. It was discovered on 26 October 1984, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station near Flags
(144908) 2004 YH 32 , provisional designation 2004 YH 32 , is a centaur and damocloid orbiting the Sun with a very high inclination of almost 80°. [3] It was discovered on 18 December 2004 by the Siding Spring Survey at the Siding Spring Observatory in Australia. The critical and unusual object meas
#14 1815 Beethoven
1815 Beethoven , provisional designation 1932 CE 1 , is a carbonaceous background asteroid from the outer regions of the asteroid belt , approximately 30 kilometers (19 miles) in diameter. It was discovered on 27 January 1932, by German astronomer Karl Reinmuth at the Heidelberg Observatory . [1] Th
#15 10 Hygiea
Hygiea ( minor-planet designation : 10 Hygiea ) is a major asteroid and possible dwarf planet located in the main asteroid belt . With a diameter of 434 kilometres (270 mi) and a mass estimated to be 3% of the total mass of the belt, [11] it is the fourth-largest asteroid in the Solar System by bo
(91205) 1998 US 43 , provisional designation 1998 US 43 , is a resonant trans-Neptunian object of the plutino group, located in the Kuiper belt in the outermost region of the Solar System . The rather bluish body measures approximately 111 kilometers (69 miles) in diameter. [3] It was discovered on
#17 3737 Beckman
3737 Beckman , provisional designation 1983 PA , is a stony asteroid and sizable Mars-crosser on an eccentric orbit from the inner regions of the asteroid belt , approximately 14 kilometers (8.7 miles) in diameter. It was discovered on 8 August 1983, by American astronomer Eleanor Helin at the Palom
#18 7 Iris
Iris ( minor planet designation : 7 Iris ) is a large main-belt asteroid and perhaps remnant planetesimal orbiting the Sun between Mars and Jupiter. It is the fourth-brightest object in the asteroid belt . It is classified as an S-type asteroid , meaning that it has a stony composition. Large main-b
1799 Koussevitzky ( prov. designation : 1950 OE ) is an asteroid of the Eos family from the outer regions of the asteroid belt , approximately 18 kilometers (11 miles) in diameter. It was discovered on 25 July 1950, by astronomers at Indiana University during the Indiana Asteroid Program at Goethe L
#20 1729 Beryl
1729 Beryl , provisional designation 1963 SL , is a stony background asteroid from the Florian region in the inner asteroid belt , approximately 9 kilometers (5.6 miles) in diameter. It was discovered on 19 September 1963, by astronomers at Indiana University during the Indiana Asteroid Program at G
C/2021 O3 (PanSTARRS) was an Oort cloud comet , discovered on 26 July 2021 by the Pan-STARRS sky survey. It came to perihelion on 21 April 2022 at 0.287 AU (42.9 million km ) . from the Sun. C/2021 O3 (PanSTARRS) Discovery Discovered by Pan-STARRS Discovery date 26 July 2021 Orbital characteri
#1 NGC 4544
NGC 4544 is an edge-on spiral galaxy located about 52 million light-years away [3] in the constellation Virgo . [4] NGC 4544 was discovered by astronomer Edward Swift on April 27, 1887. [5] NGC 4544 is a member of the Virgo Cluster . [6] [7] Edge-on spiral galaxy in the constellation Virgo NGC 4544
#2 NGC 4055
NGC 4055 is an elliptical galaxy located 310 million light-years away [2] in the constellation Coma Berenices . [3] It was discovered by astronomer William Herschel on April 27, 1785. It was rediscovered by John Herschel on April 29, 1832. It is listed both as NGC 4061 and NGC 4055. [4] NGC 4055 is
#3 NGC 3862
NGC 3862 is an elliptical galaxy located 300 million light-years away [2] in the constellation Leo . [3] Discovered by astronomer William Herschel on April 27, 1785, [4] NGC 3862 is an outlying member of the Leo Cluster . [5] Elliptical galaxy in the constellation Leo NGC 3862 SDSS image of NGC 3862
#4 NGC 4633
NGC 4633 is a spiral galaxy located about 70 million light-years away [2] in the constellation of Coma Berenices . [3] It is interacting with the nearby galaxy NGC 4634 . [4] [5] NGC 4633 was discovered by astronomer Edward D. Swift on April 27, 1887. It was rediscovered on November 23, 1900 by astr
#5 NGC 4074
NGC 4074 is a peculiar [2] [3] lenticular galaxy located 310 million light-years away [3] in the constellation Coma Berenices . [4] It was discovered by astronomer William Herschel on April 27, 1785 [5] and is a member of the NGC 4065 Group . [6] [7] [8] [9] [10] Peculiar lenticular Galaxy in the co
#6 NGC 4076
NGC 4076 is a spiral galaxy located 290 million light-years away [2] in the constellation Coma Berenices . [3] The galaxy was discovered by astronomer William Herschel on April 27, 1785 [4] and is a member of the NGC 4065 Group . [5] [6] [7] [8] [9] [10] [11] [12] Spiral galaxy in the constellation
#7 NGC 3875
NGC 3875 is a lenticular galaxy located about 325 million light-years away [2] in the constellation Leo . [3] It was discovered by astronomer William Herschel on April 27, 1785 [4] and is a member of the Leo Cluster . [5] [6] Lenticular galaxy in the constellation Leo NGC 3875 SDSS image of NGC 3875
#8 NGC 4070
NGC 4070 is an elliptical galaxy located 340 million light-years away [2] in the constellation Coma Berenices . [3] NGC 4070 was discovered by astronomer William Herschel on April 27, 1785. It was rediscovered by John Herschel on April 29, 1832 and was listed as NGC 4059. [4] The galaxy is a member
#9 NGC 3048
NGC 3048 is a pair of spiral galaxies located in the constellation Leo . [2] It was discovered on April 27, 1864, by German astronomer Albert Marth . The object consists of a visual pair of galaxies, PGC 1509261 and PGC 28595. PGC 1509261 is likely a physical pair with a much fainter galactic object
#10 NGC 3884
NGC 3884 is a spiral galaxy located about 330 million light-years away [2] in the constellation Leo . [3] The galaxy was discovered by astronomer William Herschel on April 27, 1785 [4] and is a member of the Leo Cluster . [5] [6] [7] Spiral galaxy in the constellation Leo NGC 3884 SDSS image of NGC
#11 NGC 3860
NGC 3860 is a spiral galaxy [3] located about 340 million light-years away [4] in the constellation Leo . [5] NGC 3860 was discovered by astronomer William Herschel on April 27, 1785. [6] The galaxy is a member of the Leo Cluster [7] [8] and is a low-luminosity AGN (LLAGN). [9] [10] Gavazzi et al. h
#12 NGC 4065
NGC 4065 is an elliptical galaxy located 300 million light-years away [2] in the constellation Coma Berenices . [3] The galaxy was discovered by astronomer William Herschel on April 27, 1785. It was then rediscovered by John Herschel on April 29, 1832 and was listed as NGC 4057. [4] NGC 4065 is the
#13 UGC 8335
UGC 8335 ( Arp 238 ) is a pair of strongly interacting spiral galaxies . They have been distorted by extreme tidal forces , creating prominent tidal tails and a bridge of gas and stars between the galaxies. [4] [5] Pair of strongly interacting galaxies in Ursa Major UGC 8335 An image of UGC 8335 tak
#14 NGC 4066
NGC 4066 is an elliptical galaxy located 340 million light-years away [2] in the constellation Coma Berenices . [3] The galaxy was discovered by astronomer William Herschel on April 27, 1785. [4] NGC 4066 is a member of the NGC 4065 Group . [5] [6] [7] [8] [9] [10] [11] [12] Elliptical galaxy in the
#15 NGC 3937
NGC 3937 is an elliptical [3] [4] or a lenticular galaxy [5] [3] [4] located about 310 million light-years away [5] in the constellation Leo . It was discovered by astronomer William Herschel on April 27, 1785 [6] and is classified as a radio galaxy . [3] [7] Elliptical or lenticular galaxy in the c
#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 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
#3 Argentine Institute of Radio Astronomy
The Argentine Institute of Radio Astronomy (IAR) was created in 1962 through an agreement between the scientific agencies CONICET and CIC, [1] and the universities of La Plata ( National University of La Plata ) and Buenos Aires ( University of Buenos Aires ). Its functions are to promote and coordi
#4 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
#5 Astronomical Observatory of Lviv University
The Astronomical Observatory of Lviv University is the astronomical observatory of the Ivan Franko National University of Lviv in Lviv , Ukraine . It was founded in 1771 by the Jesuit college of Lviv, which makes it the 17th oldest observatory in Europe. It was closed around 1783 and restored as par
#6 International Space Development Conference
The International Space Development Conference (ISDC) is the annual conference of the National Space Society (NSS). Now in its 37th year, these conferences connect the general public and the NSS membership with leaders of contemporary space efforts. The ISDC provides a nexus for industry, government
#7 Jicamarca Radio Observatory
The Jicamarca Radio Observatory (JRO) is the equatorial anchor of the Western Hemisphere chain of Incoherent Scatter Radar (ISR) observatories extending from Lima , Peru to Søndre Strømfjord, Greenland . JRO is the premier scientific facility in the world for studying the equatorial ionosphere . The
#8 Campo Imperatore Near-Earth Object Survey
The CINEOS program ( Campo Imperatore Near-Earth Object Survey ), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit . In particular CINEOS is addressed to the discovery of
The Braunschweig meteorite is a 1.3 kilograms (2.9 pounds) meteorite that hit Melverode, a suburb in Braunschweig , Germany , at around 2:05 AM on April 23, 2013. It hit the concrete pavement in front of the home of Erhard Seemann, breaking into hundreds of fragments on impact, the largest of which
#2 55 Cancri e
55 Cancri e (abbreviated 55 Cnc e , formally named Janssen / ˈ dʒ æ n s ən / and nicknamed " Hell on Earth ") is an exoplanet in the orbit of its Sun -like host star 55 Cancri A . The mass of the exoplanet is about 8.63 Earth masses and its diameter is about twice that of the Earth , [4] thus classi
#3 Gliese 581c
Gliese 581c / ˈ ɡ l iː z ə / ( Gl 581c or GJ 581c ) is a planet orbiting within the Gliese 581 system. It is the second planet discovered in the system and the third in order from the star . With a mass at least 5.5 times that of the Earth , it is classified as a super-Earth (a category of planets w
Carlos Ulrrico Cesco (died 1987) was an Argentine astronomer . He lived most of his life in San Juan, Argentina. He was a well-known discoverer of minor planets credited by the Minor Planet Center (MPC) with the discovery of 19 numbered minor planets. [1] [2] Argentine astronomer Carlos Ulrrico Cesc
Fr. Nicolas Sarrabat or Sarabat (February 7, 1698 – April 27, 1739), also known as Nicolas Sarrabat de la Baisse, was an eighteenth-century French mathematician and scientist. He was born in Lyon , the son of the painter Daniel Sarrabat (1666–1748), and the nephew of engraver Isaac Sarrabat . The Sa
#3 Ed Krupp
Edwin Charles Krupp (born November 18, 1944) is an American astronomer , researcher, author, and popularizer of science. He is an internationally recognized expert in the field of archaeoastronomy , the study of how ancient cultures viewed the sky and how those views affected their cultures. He has
Édouard Albert Roche ( French: [edwaʁ albɛʁ ʁɔʃ] ; 17 October 1820 – 27 April 1883) was a French astronomer and mathematician , who is best known for his work in the field of celestial mechanics . His name was given to the concepts of the Roche sphere , Roche limit , and Roche lobe . He also was t
Jens Fredrik Wilhelm Schroeter (21 May 1857 – 27 April 1927) was a Norwegian astronomer. Norwegian astronomer Jens Fredrik Schroeter Schroeter circa 1895 Born ( 1857-05-21 ) 21 May 1857 Drammen Died 27 April 1927 (1927-04-27) (aged 69) Oslo Citizenship Norwegian Scientific career Fields astrometry
Walter Ferreri (born 1948), originally from Buddusò in Sardinia, is an astronomer at the Italian Osservatorio Astronomico di Torino , science writer and discoverer of minor planets. Minor planets discovered: 15 [1] 3625 Fracastoro 27 April 1984 list 3778 Regge 26 April 1984 list 4061 Martelli 19 M
#7 Satoru Otomo
Satoru Otomo ( 大友 哲 , Ōtomo Satoru, 19 December 1957, Mitaka ) is a Japanese dentist, amateur astronomer and a discoverer of minor planets . [2] Minor planets discovered: 148 [1] see § List of discovered minor planets According to the Minor Planet Center , he is credited with the discovery of 14
Michiel Baldur Maximiliaan van der Klis (born 9 June 1953) is a Dutch astronomer best known for his work on extreme 'pairings' of stars called X-ray binaries , more particularly his explanation of the occurrence of quasi-periodic oscillations (QPOs) in these systems and his co-discovery of the first
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
#10 Marc Buie
Marc William Buie ( / ˈ b uː i / ; born 1958) is an American astronomer and prolific discoverer of minor planets who works at the Southwest Research Institute in Boulder, Colorado in the Space Science Department. [1] Formerly he worked at the Lowell Observatory in Flagstaff, Arizona, and was the Sen
#11 Henry Percy, 9th Earl of Northumberland
Henry Percy, 9th Earl of Northumberland , KG (27 April 1564 – 5 November 1632) was an English nobleman. He was a grandee and one of the wealthiest peers of the court of Elizabeth I . Under James I , Northumberland was a long-term prisoner in the Tower of London , due to the suspicion that he was com
#12 Tuotilo
Tuotilo (died 27 April 915) was a Frankish monk at the Abbey of Saint Gall . He was a composer, and according to Ekkehard IV a century later, also a poet, musician, painter and sculptor. [1] Various trope melodies can be assigned to Tuotilo, but works of other mediums are attributed with less certai
#13 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
#14 David Kennedy (astronomer)
David Kennedy (27 April 1864 – 10 March 1936) was born at Lyttelton , New Zealand , the son of an Irish mother and a Scottish father who came to New Zealand from Melbourne in 1863. He became the first New Zealand born priest of the Society of Mary (Marists) , a noted astronomer and educator. [1] Thi
#15 Michael H. Hart
Michael H. Hart (born April 27, 1932), is an American astrophysicist, author, amateur historian, researcher, and white separatist/white nationalist. Since 1978, he has published five books, most notably of the best-selling work, The 100: A Ranking of the Most Influential Persons in History . For oth
#16 George Bishop (astronomer)
George Bishop (21 August 1785, in Leicester – 14 June 1861), was a noted English astronomer of the nineteenth century. [1] [2] [3] [4] English astronomer George Bishop, photograph c.1853
#17 Reysa Bernson
Reysa Verhaeghe or Reysa Bernson (September 26, 1904 - 1944) was a French astronomer . She founded the Association Astronomique du Nord in 1923. She was particularly known for her work popularizing astronomy in France through public demonstrations and the development of planetaria . [1] French astro
Colonel Sir William George Morris KCMG , CB (12 February 1847 – 26 February 1935) [1] was a British Army officer who served with the Royal Engineers in the 19th and early 20th centuries, observing the 1882 transit of Venus and developing an expertise in geodesic surveying. He also played football as
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
#20 John Broughton
John Broughton (born 1952) [2] is an Australian amateur astronomer and artist. He is among the most prolific discoverers of minor planets worldwide, credited by the Minor Planet Center with more than a thousand discoveries made between 1997 and 2008. [1] His observations are done at Reedy Creek Obse
SGR 1935+2154 (or SGR J1935+2154 ) is a soft gamma repeater (SGR) that is an ancient stellar remnant , in the constellation Vulpecula , originally discovered in 2014 by the Neil Gehrels Swift Observatory . [1] Currently, the SGR-phenomena and the related anomalous X-ray pulsars (AXP) are explained a
#1 SN 1998aq
SN 1998aq is a nearby supernova located in the intermediate spiral galaxy NGC 3982 , offset 18 ″ west and 7″ of the galactic nucleus. It was discovered April 13, 1998 by amateur astronomer Mark Armstrong [2] and was confirmed by fellow British amateur Ron Arbour; both members of the U.K. Supernova/N
#2 Algol
Algol / ˈ æ l ɡ ɒ l / , [9] designated Beta Persei ( β Persei , abbreviated Beta Per , β Per ), known colloquially as the Demon Star , is a bright multiple star in the constellation of Perseus and one of the first non- nova variable stars to be discovered. Eclipsing variable star in the conste
#3 Arcturus
Arcturus is the brightest star in the northern constellation of Boötes . With an apparent visual magnitude of −0.05, [2] it is the third-brightest of the individual stars in the night sky , and the brightest in the northern celestial hemisphere . The name Arcturus originated from ancient Greece ; it
Dawn is a science fiction novel by American writer Dean McLaughlin . A re-imagining of Isaac Asimov 's 1941 short story " Nightfall ", it was serialized in Analog magazine (April–July 1981), with two cover illustrations, for both its first and last segments. The story was republished in hardcover in
#5 T Pyxidis
T Pyxidis ( T Pyx ) [4] is a recurrent nova [5] and nova remnant in the constellation Pyxis . It is a binary star system and its distance is estimated at about 4,783 parsecs (15,600 light-years) from Earth . It contains a Sun-like star and a white dwarf . Because of their close proximity and the lar
V841 Ophiuchi (Nova Ophiuchi 1848) was a bright nova discovered by John Russell Hind on 27 April 1848. It was the first object of its type discovered since 1670. [5] At the time of its discovery, it had an apparent magnitude of 5.6, [4] but may have reached magnitude 2 at its peak, making it easily