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23 relations: Amateur astronomy, Cambridge University Press, Centre de données astronomiques de Strasbourg, Charles Messier, Coma Berenices, Cosmic dust, Edward Pigott, Galaxy, Interstellar medium, Johann Elert Bode, Messier object, Minute and second of arc, Nature (journal), New General Catalogue, Outer space, Principal Galaxies Catalogue, Retrograde and prograde motion, Seyfert galaxy, SIMBAD, Spiral galaxy, Telescope, The Astrophysical Journal, Uppsala General Catalogue.
Amateur astronomy
Amateur astronomy is a hobby whose participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes.
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Cambridge University Press
Cambridge University Press (CUP) is the publishing business of the University of Cambridge.
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Centre de données astronomiques de Strasbourg
The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
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Charles Messier
Charles Messier (26 June 1730 – 12 April 1817) was a French astronomer most notable for publishing an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects".
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Coma Berenices
Coma Berenices is an ancient asterism in the northern sky which has been defined as one of the 88 modern constellations.
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Cosmic dust
Cosmic dust, also called extraterrestrial dust or space dust, is dust which exists in outer space, as well as all over planet Earth.
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Edward Pigott
Edward Pigott (1753–1825) was an English astronomer.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Interstellar medium
In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.
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Johann Elert Bode
Johann Elert Bode (19 January 1747 – 23 November 1826) was a German astronomer known for his reformulation and popularisation of the Titius–Bode law.
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Messier object
The Messier objects are a set of 110 astronomical objects, of which 103 were included in lists published by French astronomer Charles Messier in 1771 and 1781.
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Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
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Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
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New General Catalogue
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.
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Outer space
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
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Principal Galaxies Catalogue
The Catalogue of Principal Galaxies (PGC) is an astronomical catalog published in 1989 that lists B1950 and J2000 equatorial coordinates and cross-identifications for 73,197 galaxies.
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Retrograde and prograde motion
Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is the central object (right figure).
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Seyfert galaxy
Seyfert galaxies are one of the two largest groups of active galaxies, along with quasars.
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SIMBAD
SIMBAD (the Set of Identifications, Measurements, and Bibliography for Astronomical Data) is an astronomical database of objects beyond the Solar System.
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Spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.
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Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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Uppsala General Catalogue
The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxies visible from the northern hemisphere.
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Redirects here:
Blackeye Galaxy, Blackeye galaxy, Messier 64, Messier Object 64, NGC 4826, PGC 44182, Sleeping Beauty Galaxy.
References
[1] https://en.wikipedia.org/wiki/Black_Eye_Galaxy
