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Encyclopedia > Cygnus (constellation)
Cygnus
Cygnus
Click for larger image
List of stars in Cygnus
Abbreviation: Cyg
Genitive: Cygni
Symbology: the Swan or The Northern Cross
Right ascension: 20.62 h
Declination: +42.03°
Area: 804 sq. deg. (16th)
Main stars: 9
Bayer/Flamsteed stars: 80
Stars with planets: 4
Bright stars: 6
Nearby stars: 1
Brightest star: Deneb (α Cyg) (1.25m)
Nearest star: 61 Cyg (11.4 ly)
Messier objects: 2
Meteor showers: October Cygnids
Kappa Cygnids
Bordering constellations: Cepheus
Draco
Lyra
Vulpecula
Pegasus
Lacerta
Visible at latitudes between +90° and −40°
Best visible at 21:00 (9 p.m.) during the month of September

Cygnus (IPA: /ˈsɪgnəs/, Latin: swan) is a northern constellation. It was one of Ptolemy's 48 constellations, and is also one of the 88 modern constellations. Because of the pattern of its main stars, it is sometimes known as the Northern Cross (in contrast to the Southern Cross). This is a celestial map of the constellation Cygnus, the Swan Copyright © 2003 Torsten Bronger. ... This is the list of notable stars in the constellation Cygnus, sorted by decreasing brightness. ... The genitive case is a grammatical case that indicates a relationship, primarily one of possession, between the noun in the genitive case and another noun. ... Species 6-7 living, see text. ... Equatorial Coordinates Right ascension (abbrev. ... In astronomy, declination (abbrev. ... Here is a list of the 88 modern constellations by their area in the sky, measured in square degrees. ... This article or section is not written in the formal tone expected of an encyclopedia article. ... Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek letters. ... Deneb (α Cyg / α Cygni / Alpha Cygni) is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. ... The apparent magnitude (m) of a star, planet or other celestial body is a measure of its apparent brightness as seen by an observer on Earth. ... 61 Cygni is a star in the constellation Cygnus. ... A light-year or lightyear (symbol: ly) is a unit of measurement of length, specifically the distance light travels in vacuum in one year. ... The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... The Taurids Meteor Shower A meteor shower, some of which are known as a meteor storm or meteor outburst, is a celestial event where a group of meteors are observed to radiate from one point in the sky. ... Cepheus (IPA: ) is a northern constellation named after King Cepheus in Greek mythology, and is considered to represent a king. ... Draco (IPA: , Latin: ) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... For other uses, see Lyra (disambiguation). ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Pegasus (IPA: ) is a northern constellation, named after the mythological winged horse Pegasus. ... Lacerta, being Latin for Lizard, is one of the 88 official constellations acknowledged by the International Astronomical Union. ... Articles with similar titles include the NATO phonetic alphabet, which has also informally been called the “International Phonetic Alphabet”. For information on how to read IPA transcriptions of English words, see IPA chart for English. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... Species 6-7 living, see text. ... This article or section does not adequately cite its references or sources. ... A medieval artists rendition of Claudius Ptolemaeus Claudius Ptolemaeus (Greek: ; ca. ... STAR is an acronym for: Organizations Society of Ticket Agents and Retailers], the self-regulatory body for the entertainment ticket industry in the UK. Society for Telescopy, Astronomy, and Radio, a non-profit New Jersey astronomy club. ... Southern Cross is the English name of Crux Australis, a constellation visible in the Southern Hemisphere. ...


It is said to resemble a swan, the bird extending over the Milky Way, appearing to fly south. It has been suggested that Andromeda-Milky Way collision be merged into this article or section. ...

Contents

Notable features

Cygnus contains several bright stars. STAR is an acronym for: Organizations Society of Ticket Agents and Retailers], the self-regulatory body for the entertainment ticket industry in the UK. Society for Telescopy, Astronomy, and Radio, a non-profit New Jersey astronomy club. ...


Deneb, α Cygni, is an extremely brilliant star, very prominent despite its distance (3230 light years). The blue supergiant forms the swan's tail, the upper end of the Northern Cross, and one of the vertices of the Summer Triangle asterism. Its also the 18th brightest star in the sky. Deneb (α Cyg / α Cygni / Alpha Cygni) is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. ... Rigel, viewed from a distance. ... The Summer Triangle is an astronomical asterism involving an imaginary triangle drawn on the northern hemispheres celestial sphere, with its defining vertices at Altair, Deneb, and Vega. ... In astronomy, an asterism is a pattern of stars seen in Earths sky which is not an official constellation. ...


Albireo, β Cygni, is at the swan's beak. It is one of the most beautiful double stars of the sky, a golden star easily distinguishable in a small telescope from its blue companion. Albireo (β Cyg / β Cygni / Beta Cygni) is the third brightest star in the constellation Cygnus. ... When two stars are so nearly in the same direction as seen from Earth that they appear to be a single star to the naked eye but may be separated by the use of telescopes, they are referred to as a double star. ...


Another interesting star is 61 Cygni. In 1838, this star had the highest known proper motion of any star in the sky; this was taken as evidence that it was relatively nearby and it was accordingly chosen as the first star (other than the Sun) to have its distance measured. It is 11.4 light years away, one of the closest stars to our solar system. 61 Cygni is a star in the constellation Cygnus. ... | Jöns Jakob Berzelius, discoverer of protein 1838 was a common year starting on Monday (see link for calendar). ... The proper motion of a star is the motion of the position of the star in the sky (the change in direction in which we see it, as opposed to the radial velocity) after eliminating the improper motions of the stars, which affect their measured coordinates but are not real... “Sol” redirects here. ...


The star 16 Cygni B is an extrasolar planetary system with one confirmed planet 1.5 times the mass of Jupiter. 16 Cygni (abbreviated 16 Cyg) is a triple star system located around 70 light-years away in the constellation Cygnus. ... An extrasolar planet, or exoplanet, is a planet beyond the Solar System. ... Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ...


The star HD 188753 A in Cygnus has an extrasolar planet called HD 188753 Ab which was the first planet discovered in a 3-sun (triple star) system. Triple sunset - artist concept (Credit:NASA/JPL-Caltech) HD 188753 is a triple star system located approximately 149 light years away from Earth in the constellation Cygnus. ... HD 188753 Ab is the first known planet in a triple star system. ... A triple star system consists of three gravitationally bound stars. ...


The variable star P Cygni lends its name to a common spectroscopic feature as first observed in its stellar spectrum, and is one of the most luminous stars in our galaxy. P Cygni is itself slowly a star variable in the brightness in the constellation swan. ...


Cygnus also contains the X-ray source Cygnus X-1, which is considered to be one of the most likely black hole candidates. In the NATO phonetic alphabet, X-ray represents the letter X. An X-ray picture (radiograph) taken by Röntgen An X-ray is a form of electromagnetic radiation with a wavelength approximately in the range of 5 pm to 10 nanometers (corresponding to frequencies in the range 30 PHz... Location of the X-ray source Cygnus X-1, which is widely accepted to be a 10 solar mass black hole orbiting a blue giant star. ... Simulated view of a black hole in front of the Milky Way. ...


In addition, Cygnus has a variety of variable stars, including XX Cyg and V508 Cyg. Most stars are of nearly constant luminosity. ...


Notable deep sky objects

Several star clusters and nebulae are found in Cygnus due to its position on the Milky Way. The North America Nebula (NGC 7000) is found a bit to the east of Deneb. Its resemblance to the continent is best appreciated in photographs. The Pelican Nebula (IC 5070) is nearby. This article or section does not cite its references or sources. ... The Triangulum Emission Nebula NGC 604 The Pillars of Creation from the Eagle Nebula For other uses, see Nebula (disambiguation). ... Amateur astronomers photo of the North America Nebula The North America Nebula (also known as NGC 7000) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest star). ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... The Pelican Nebula (also known as IC 5070) is an H II region associated with the North America Nebula in the constellation Cygnus. ... The Index Catalogue (IC) —also known as the Index Catalogue of Nebulae, the Index Catalogue of Nebulae and Clusters of Stars, IC I, or IC II— is a catalogue of galaxies, nebulae and star clusters that serves as a supplement to the New General Catalogue. ...


To the south of Epsilon Cygni is the Veil Nebula (NGC 6960, 6962, 6979, 6992, and 6995) which is an ancient supernova remnant covering approximately 3 degrees of the sky. Epsilon Cygni (ε Cyg / ε Cygni) is a star in the constellation Cygnus. ... The Veil Nebula, also known as the Cygnus Loop or the Witchs Broom Nebula, is a large, relatively faint supernova remnant in the constellation Cygnus. ... The Crab Nebula is an expanding cloud of gas created by the 1054 supernova. ...


Also of note is the Crescent Nebula (NGC 6888), located between Gamma and Eta Cygni, which was formed by the Wolf-Rayet star HD 192163. Template:Diffusion nebula NGC 6888 (the Crescent Nebula or Caldwell 27) is an emission nebula in the Cygnus constellation, about 5000 light years away. ... Artists impression of a Wolf-Rayet star Wolf-Rayet stars (often referred to as WR stars) are evolved, hot, massive stars which have very strong stellar winds. ...


More supernovae have been seen in the Fireworks Galaxy (NGC 6946) than in any other galaxy. Multiwavelength X-ray image of the remnant of Keplers Supernova, SN 1604. ... NGC 6946 is an intermediate spiral galaxy about 10 million light-years away, on the border between the constellations Cepheus and Cygnus. ... NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 17,000 parsecs in diameter and approximately 20 million parsecs distant. ...


History and mythology

Drawing of Cygnus by Hevelius, 1690

The constellation bears a resemblance to a wide winged, long necked bird, in graceful flight [1]. In Greek mythology, the constellation represents several different legendary swans. Zeus disguised himself as a swan to seduce Leda, who gave birth to the Gemini, Helen of Troy, and Clytemnestra. This is a drawing of the constellation Cygnus by John Hevelius of 1690. ... This is a drawing of the constellation Cygnus by John Hevelius of 1690. ... The bust of Zeus found at Otricoli (Sala Rotonda, Museo Pio-Clementino, Vatican) Greek mythology is the body of stories belonging to the Ancient Greeks concerning their gods and heroes, the nature of the world and the origins and significance of their own cult and ritual practices. ... The Statue of Zeus at Olympia Phidias created the 12-m (40-ft) tall statue of Zeus at Olympia about 435 BC. The statue was perhaps the most famous sculpture in Ancient Greece, imagined here in a 16th century engraving Zeus (in Greek: nominative: Zeús, genitive: Diós), is... In Greek mythology, Leda was a Spartan queen, wife of Tyndareus and mother of the double sets of mixed twins, Castor and Polydeuces and Clytemnestra and Helen, as well as Phoebe and Philonoe. ... The Gemini or Gemini twins, known in Roman mythology as Castor and Pollux and in Greek as Kastor and Polydeuces, are the twin sons of Leda and the brothers of Helen of Troy and Clytemnestra. ... Helen was the wife of Menelaus and reputed to be the most beautiful woman in the world, and her abduction by Paris brought about the Trojan War. ... After the murder (1882 painting) Clytemnestra (or Clytaemestra) ‘‘(Eng. ...


Orpheus was transformed into a swan after his murder, and was said to have been placed in the sky next to his lyre (Lyra). The head of Orpheus, from an 1865 painting by Gustave Moreau. ... Greek vase with muse playing kithara The lyre is a stringed musical instrument well known for its use in Classical Antiquity and later. ... For other uses, see Lyra (disambiguation). ...


Finally, it is said that a king named Cycnus was a relative or lover of the ill-fated Phaëthon. The son of Apollo, Phaethon tricked his father into allowing him to ride the chariot of the Sun, but lost control and was struck down by Zeus. Grief-stricken after Phaëthon's death, and determined to give his remains a proper burial, Cycnus dove to the bottom of the river Eridanus to find him. He dove so many times into the river that he was transformed into the swan Cygnus, and is visible in the sky today. In Greek mythology, four people were known as Cycnus or Cygnus. ... The fall of Phaeton, Johann Liss, beginning of 17th century. ... Eridanus is the sixth largest of the 88 modern constellations. ...


Cygnus, together with other constellations in the Zodiac sign of Sagittarius (specifically Lyra and Aquila, together with Sagittarius itself), may be a significant part of the origin of the myth of the Stymphalian Birds, one of The Twelve Labours of Heracles. The term zodiac denotes an annual cycle of twelve stations along the ecliptic, the apparent path of the sun across the heavens through constellations that divide the ecliptic into twelve equal zones of celestial longitude. ... This article or section does not cite any references or sources. ... For other uses, see Lyra (disambiguation). ... Aquila (IPA: , Latin: ; sometimes named the Vulture), is one of the 48 constellations listed by Ptolemy, also mentioned by Eudoxus (4th century BC) and Aratus (3rd century BC) and now also part of the list of 88 constellations acknowledged by the IAU. It lies roughly at the celestial equator. ... For other uses, see Sagittarius. ... In Greek mythology, the Stymphalian Birds were birds with claws of brass and sharp metallic feathers they could launch at their victims, and also they were Ares pets. ... Hercules and the Hydra by Antonio Pollaiuolo The Twelve Labours (Greek: dodekathlos) of Heracles (Latin: Hercules) are a series of archaic episodes connected by a later continuous narrative, concerning a penance carried out by Heracles, the greatest of the Greek heroes. ... Hercules, a Roman bronze (Louvre Museum) For other uses, see Heracles (disambiguation). ...


In Chinese mythology, the constellation Cygnus is the site of the once-a-year magpie bridge (鹊桥, Que Qiao) which connects the lovers Niu Lang and Zhi Nu (see Qi Xi). Chinese mythology is a collection of cultural history, folktales, and religions that have been passed down in oral or written form. ... Genera Pica Urocissa Cissa Cyanopica The magpies are medium to large, often colorful and noisy passerine birds of the crow family, Corvidae. ... Qi Xi (七夕; Pinyin: qÄ« xÄ«; The Night of Sevens), sometimes called Chinese Valentines Day or Magpie Festival, falls on the seventh day of the seventh lunar month on the Chinese calendar; thus its name. ...


In Ovid's Metamorphoses, there are three people named Cygnus, all of whom are transformed into swans. The first is the relative of Phaethon mentioned above, who is the son of Sthenelus and king of Liguria. The second is a boy from Tempe, to whom Phyllius gives several tamed animals as gifts. When Phyllius refuses to give Cygnus a tamed bull that the boy demands, Cygnus throws himself off a cliff in a fit of spite. Instead of falling to his death, Cygnus is transformed into a swan and flies away. The third person named Cygnus is a son of Neptune. He is a warrior in the Trojan War who is invulnerable to all stabbing weapons, much to the frustration of his enemy, Achilles. Achilles finally kills him by smashing his face in with his shield, but Neptune saves Cygnus by transforming him into a swan. Engraved frontispiece of George Sandyss 1632 London edition of Publius Ovidius Naso (Sulmona, March 20, 43 BC – Tomis, now Constanţa AD 17), a Roman poet known to the English-speaking world as Ovid, wrote on topics of love, abandoned women and mythological transformations. ... Disambiguation: This article is about the poem Metamorphoses written by the poet Ovid. ... In Greek mythology, Sthenelus refers to four different people. ... Liguria is a coastal region of north-western Italy, the third smallest of the Italian regions. ... Vale of Tempe (modern Greek: Témbi) the ancient name of a narrow valley in North Thessaly, Greece, through which the Pineios River reaches the Aegean sea. ... NEPTUNE is an acronym for North-East Pacific Time-series Undersea Networked Experiments. ... The fall of Troy, by Johann Georg Trautmann (1713–1769). ... The Wrath of Achilles, by François-Léon Benouville (1821–1859) (Musée Fabre) In Greek mythology, Achilles (also Akhilleus or Achilleus) (Ancient Greek: ) was a hero of the Trojan War, the central character and greatest warrior of Homers Iliad, which takes for its theme, not the War...


See also

In astronomy, an asterism is a pattern of stars seen in Earths sky which is not an official constellation. ... This is a list of constellations that have featured in popular culture. ... The Cygnus Loop The Cygnus Loop (NGC 6960/6974/6979/6992/6995) is a supernova remnant located about 1400 light-years away from Earth in the constellation of Cygnus. ...

Reference

  • Ian Ridpath and Wil Tirion (2007). Collins Stars and Planets Guide, HarperCollins, London. ISBN 978-0007251209.
The 88 modern Constellations
Andromeda • Antlia • Apus • Aquarius • Aquila • Ara • Aries • Auriga • Boötes • Caelum • Camelopardalis • Cancer • Canes Venatici • Canis Major • Canis Minor • Capricornus • Carina • Cassiopeia • Centaurus • Cepheus • Cetus • Chamaeleon • Circinus • Columba • Coma Berenices • Corona Australis • Corona Borealis • Corvus • Crater • Crux • Cygnus • Delphinus • Dorado • Draco • Equuleus • Eridanus • Fornax • Gemini • Grus • Hercules • Horologium • Hydra • Hydrus • Indus • Lacerta • Leo • Leo Minor • Lepus • Libra • Lupus • Lynx • Lyra • Mensa • Microscopium • Monoceros • Musca • Norma • Octans • Ophiuchus • Orion • Pavo • Pegasus • Perseus • Phoenix • Pictor • Pisces • Piscis Austrinus • Puppis • Pyxis • Reticulum • Sagitta • Sagittarius • Scorpius • Sculptor • Scutum • Serpens • Sextans • Taurus • Telescopium • Triangulum • Triangulum Australe • Tucana • Ursa Major • Ursa Minor • Vela • Virgo • Volans • Vulpecula

This article or section does not adequately cite its references or sources. ... Andromeda (IPA: ) is a constellation named for the princess Andromeda (which is Greek for Ruler over men), a character in Greek mythology. ... Antlia (IPA: , Latin: ) is a relatively new constellation as it was only created in the 18th century, being too faint to be acknowledged by the ancient Greeks. ... Apus (Latin for bird of paradise) is a faint southern constellation, not visible to the ancient Greeks. ... Aquarius (IPA: , Latin: ) is the eleventh sign of the zodiac, situated between Capricornus and Pisces. ... Aquila (IPA: , Latin: ; sometimes named the Vulture), is one of the 48 constellations listed by Ptolemy, also mentioned by Eudoxus (4th century BC) and Aratus (3rd century BC) and now also part of the list of 88 constellations acknowledged by the IAU. It lies roughly at the celestial equator. ... Ara (Latin for Altar) is a faint southerly constellation between the constellations Centaurus and Lupus. ... Aries (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac. ... Auriga (IPA: , Latin: ) is a northern constellation. ... Boötes (IPA: ), a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... Caelum (IPA: ; earlier Cæla Sculptoris (Latin: ) is a minor southern constellation introduced by Nicolas Louis de Lacaille. ... Camelopardalis, Latin for giraffe, is the name of a large but faint northern constellation first recorded by Jakob Bartsch in 1624, but probably created earlier by Petrus Plancius. ... Cancer (IPA: , Latin: , symbol , ) is one of the thirteen constellations of the zodiac. ... Canes Venatici (Latin for Hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Canis Major (IPA: , Latin: ) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Canis Minor (IPA: , Latin: ) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Capricornus ( or , Unicode: ♑), a name meaning Horned Goat or That which has horns like a goats in Latin, is one of the constellations of the zodiac. ... Carina (IPA: , Latin: ) is a southern constellation which forms part of the old constellation of Argo Navis. ... Cassiopeia (IPA: ) is a northern constellation which Greek mythology considered to represent a vain queen who boasted about her unrivaled beauty. ... Centaurus (Latin for centaur) was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. ... Cepheus (IPA: ) is a northern constellation named after King Cepheus in Greek mythology, and is considered to represent a king. ... Cetus (a name from Greek mythology, referring to a Whale or Sea monster, see Ceto) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. ... For other uses of the word, see chameleon (disambiguation) Chamaeleon (Latin for chameleon) is a minor southern constellation. ... Circinus, Latin for Compass, is one of the small southern (declination −50 to −60 degrees) constellations. ... Columba, Latin for dove, is a small constellation just south to Canis Major and Lepus, it was cut out of the constellation Canis Major by Augustin Royer, in 1679. ... Coma Berenices (IPA: , Latin: ) is a traditional asterism that has since become a constellation. ... Corona Australis (IPA: ) or Corona Austrina (IPA: , Latin: ) was one of Ptolemys 48 constellations, and also counts among the 88 modern constellations. ... Corona Borealis (Latin for northern crown) is a small northern constellation whose main stars form a semicircular arc. ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Crater (Latin for cup) is one of the 88 modern constellations and was also one of the 48 listed by Ptolemy. ... CRUX is a lightweight, i686-optimized Linux distribution targeted at experienced Linux users. ... Delphinus, being Latin for Dolphin, is a rather small (ranked 69th) northern constellation very close to the celestial equator. ... This article is about a constellation in the sky. ... Draco (IPA: , Latin: ) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... Equuleus (IPA: , Latin: Despite its smallness and lack of bright stars (none are brighter than fourth magnitude), it was also one of Ptolemys 48 constellations. ... Eridanus is the sixth largest of the 88 modern constellations. ... Fornax (Latin for furnace) is a southern constellation which was first introduced by Nicolas Louis de Lacaille under the name Fornax Chemica (Latin for chemical furnace). ... Gemini (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac known as the twins . It is part of the winter sky, lying between Taurus to the west and the dim Cancer to the east, with Auriga and the near-invisible Lynx to the north and Monoceros and Canis... Grus (Latin for Crane) is a southern constellation. ... Hercules (IPA: ) is the fifth largest of the 88 modern constellations. ... Horologium (Latin for clock) is one of the lesser southern constellations (declination around -60 degrees). ... Hydra (IPA: ) is the largest of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy. ... Hydrus (Latin for Hydra, also referred to as male Hydra or little Hydra) is a minor southern constellation. ... Indus (IPA: ) is a southern constellation that is supposed to represent an American Indian. ... Lacerta, being Latin for Lizard, is one of the 88 official constellations acknowledged by the International Astronomical Union. ... Leo (IPA: , Latin: , symbol , ) is a constellation of the zodiac. ... Leo Minor (Latin for Small Lion) is a rather dim constellation that can barely be recognized as a triangle and lies between the easily discerned constellations Ursa Major and Leo. ... Lepus (IPA: , Latin: ) is a constellation, lying just south of the Celestial equator, below the constellation Orion, and possibly representing a hare being chased by Orion the hunter. ... Libra (IPA: , Latin: , symbol , Unicode ) is a constellation of the zodiac. ... Lupus (Latin for Wolf) is a southern constellation. ... Lynx (IPA: ) is a constellation of the northern hemisphere, introduced in the 17th century by Johannes Hevelius. ... For other uses, see Lyra (disambiguation). ... Mensa (Latin for Table) is a southern constellation which was first introduced by Nicolas Louis de Lacaille under the name Mons Mensae (Latin for table mountain). ... Categories: Astronomy stubs | Modern constellations | Constellations ... Monoceros (IPA: , Greek: ) is a faint constellation on the winter night sky, surrounded by Orion to the east, Gemini to the north, Canis Major to the south and Hydra to the west. ... Musca (Latin for Fly) is one of the minor southern constellations. ... Norma (IPA: , Latin: ), is a small and inconspicuous [penis] that lies in the southern hemisphere between Scorpius and Centaurus. ... Octans (Latin for octant) is an inconspicuous constellation introduced by Nicolas Louis de Lacaille. ... Ophiuchus (IPA: ), formerly referred to as Serpentarius (IPA: ), the former originating in the Greek language and the latter in the Latin language, both meaning serpent-holder, is one of the 88 constellations and was also one of the 48 listed by Ptolemy. ... Orion (IPA: ), a constellation often referred to as The Hunter, is a prominent constellation, one of the largest and perhaps the best-known and most conspicuous in the sky. ... Pavo, being Latin for Peacock, is a southern constellation. ... Pegasus (IPA: ) is a northern constellation, named after the mythological winged horse Pegasus. ... Perseus is a northern constellation, named after the Greek hero who slew the monster Medusa. ... Phoenix (IPA: ) is a minor southern constellation, introduced by Dutch navigators Pieter Dirkszoon Keyser and Frederick de Houtman, and popularized by Johann Bayers Uranometria in 1603. ... Pictor (IPA: , Latin: ) is one of the minor southern (declination -50° to -60°) constellations. ... For other uses, see Pisces. ... Piscis Austrinus or Piscis Australis (both of which are Latin for Southern Fish) was one of the 48 constellations listed by Ptolemy, and is also one of the 88 modern constellations. ... Puppis (IPA: , Latin: ) is a southern constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations | Pyxis constellation | Argo Navis constellation ... Reticulum (Latin for reticle), is one of the minor southern (declination -60 degrees) constellations. ... This article is about the constellation; for the trigonometric function, see versine. ... For other uses, see Sagittarius. ... Scorpius (Latin for scorpion, symbol , Unicode ♏) is one of the constellations of the zodiac. ... Categories: Astronomy stubs | Modern constellations | Constellations | Sculptor constellation ... Scutum (Latin for shield) is a small constellation. ... Serpens (the snake) is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy. ... For the Ancient Roman coin denomination, see sextans (coin). ... Taurus (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac. ... Telescopium (Latin for Telescope) is a minor southern constellation identified and named by Nicolas Louis de Lacaille, the 18th century French astronomer, a student of the southern skies. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... Triangulum Australe is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. ... Tucana (IPA: , Latin: ) is a southern constellation. ... Ursa Major (IPA: ) is a constellation visible throughout the year in most of the northern hemisphere. ... Ursa Minor (IPA: ) is a constellation in the northern sky, the name of which means Smaller Bear in Latin. ... Vela (IPA: , Latin: ) is a southern constellation, one of the four parts into which Argo Navis was split (the others being Carina, Puppis and Pyxis). ... Virgo (IPA: , Latin: , symbol , ) is a constellation of the zodiac. ... Categories: Astronomy stubs | Modern constellations | Constellations | Volans constellation ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... A medieval artists rendition of Claudius Ptolemaeus Claudius Ptolemaeus (Greek: ; ca. ... Andromeda (IPA: ) is a constellation named for the princess Andromeda (which is Greek for Ruler over men), a character in Greek mythology. ... Aquarius (IPA: , Latin: ) is the eleventh sign of the zodiac, situated between Capricornus and Pisces. ... Aquila (IPA: , Latin: ; sometimes named the Vulture), is one of the 48 constellations listed by Ptolemy, also mentioned by Eudoxus (4th century BC) and Aratus (3rd century BC) and now also part of the list of 88 constellations acknowledged by the IAU. It lies roughly at the celestial equator. ... Ara (Latin for Altar) is a faint southerly constellation between the constellations Centaurus and Lupus. ... The constellation Argo Navis drawn by Johannes Hevelius in 1690 Argo Navis (or simply Argo) was a large southern constellation representing the Argo, the ship used by Jason and the Argonauts in Greek mythology. ... Aries (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac. ... Auriga (IPA: , Latin: ) is a northern constellation. ... Boötes (IPA: ), a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... Cancer (IPA: , Latin: , symbol , ) is one of the thirteen constellations of the zodiac. ... Canis Major (IPA: , Latin: ) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Canis Minor (IPA: , Latin: ) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Capricornus ( or , Unicode: ♑), a name meaning Horned Goat or That which has horns like a goats in Latin, is one of the constellations of the zodiac. ... Cassiopeia (IPA: ) is a northern constellation which Greek mythology considered to represent a vain queen who boasted about her unrivaled beauty. ... Centaurus (Latin for centaur) was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. ... Cepheus (IPA: ) is a northern constellation named after King Cepheus in Greek mythology, and is considered to represent a king. ... Cetus (a name from Greek mythology, referring to a Whale or Sea monster, see Ceto) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. ... Corona Australis (IPA: ) or Corona Austrina (IPA: , Latin: ) was one of Ptolemys 48 constellations, and also counts among the 88 modern constellations. ... Corona Borealis (Latin for northern crown) is a small northern constellation whose main stars form a semicircular arc. ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Crater (Latin for cup) is one of the 88 modern constellations and was also one of the 48 listed by Ptolemy. ... Delphinus, being Latin for Dolphin, is a rather small (ranked 69th) northern constellation very close to the celestial equator. ... Draco (IPA: , Latin: ) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... Equuleus (IPA: , Latin: Despite its smallness and lack of bright stars (none are brighter than fourth magnitude), it was also one of Ptolemys 48 constellations. ... Eridanus is the sixth largest of the 88 modern constellations. ... Gemini (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac known as the twins . It is part of the winter sky, lying between Taurus to the west and the dim Cancer to the east, with Auriga and the near-invisible Lynx to the north and Monoceros and Canis... Hercules (IPA: ) is the fifth largest of the 88 modern constellations. ... Hydra (IPA: ) is the largest of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy. ... Leo (IPA: , Latin: , symbol , ) is a constellation of the zodiac. ... Lepus (IPA: , Latin: ) is a constellation, lying just south of the Celestial equator, below the constellation Orion, and possibly representing a hare being chased by Orion the hunter. ... Libra (IPA: , Latin: , symbol , Unicode ) is a constellation of the zodiac. ... Lupus (Latin for Wolf) is a southern constellation. ... For other uses, see Lyra (disambiguation). ... Ophiuchus (IPA: ), formerly referred to as Serpentarius (IPA: ), the former originating in the Greek language and the latter in the Latin language, both meaning serpent-holder, is one of the 88 constellations and was also one of the 48 listed by Ptolemy. ... Orion (IPA: ), a constellation often referred to as The Hunter, is a prominent constellation, one of the largest and perhaps the best-known and most conspicuous in the sky. ... Pegasus (IPA: ) is a northern constellation, named after the mythological winged horse Pegasus. ... Perseus is a northern constellation, named after the Greek hero who slew the monster Medusa. ... For other uses, see Pisces. ... Piscis Austrinus or Piscis Australis (both of which are Latin for Southern Fish) was one of the 48 constellations listed by Ptolemy, and is also one of the 88 modern constellations. ... This article is about the constellation; for the trigonometric function, see versine. ... For other uses, see Sagittarius. ... Scorpius (Latin for scorpion, symbol , Unicode ♏) is one of the constellations of the zodiac. ... Serpens (the snake) is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy. ... Taurus (IPA: , Latin: , symbol , ) is one of the constellations of the zodiac. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... Ursa Major (IPA: ) is a constellation visible throughout the year in most of the northern hemisphere. ... Ursa Minor (IPA: ) is a constellation in the northern sky, the name of which means Smaller Bear in Latin. ... Virgo (IPA: , Latin: , symbol , ) is a constellation of the zodiac. ... Apus (Latin for bird of paradise) is a faint southern constellation, not visible to the ancient Greeks. ... For other uses of the word, see chameleon (disambiguation) Chamaeleon (Latin for chameleon) is a minor southern constellation. ... Coma Berenices (IPA: , Latin: ) is a traditional asterism that has since become a constellation. ... This article is about a constellation in the sky. ... Grus (Latin for Crane) is a southern constellation. ... Hydrus (Latin for Hydra, also referred to as male Hydra or little Hydra) is a minor southern constellation. ... Indus (IPA: ) is a southern constellation that is supposed to represent an American Indian. ... Musca (Latin for Fly) is one of the minor southern constellations. ... Pavo, being Latin for Peacock, is a southern constellation. ... Phoenix (IPA: ) is a minor southern constellation, introduced by Dutch navigators Pieter Dirkszoon Keyser and Frederick de Houtman, and popularized by Johann Bayers Uranometria in 1603. ... Triangulum Australe is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. ... Tucana (IPA: , Latin: ) is a southern constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations | Volans constellation ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Camelopardalis, Latin for giraffe, is the name of a large but faint northern constellation first recorded by Jakob Bartsch in 1624, but probably created earlier by Petrus Plancius. ... Monoceros (IPA: , Greek: ) is a faint constellation on the winter night sky, surrounded by Orion to the east, Gemini to the north, Canis Major to the south and Hydra to the west. ... Columba, Latin for dove, is a small constellation just south to Canis Major and Lepus, it was cut out of the constellation Canis Major by Augustin Royer, in 1679. ... CRUX is a lightweight, i686-optimized Linux distribution targeted at experienced Linux users. ... Canes Venatici (Latin for Hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Lacerta, being Latin for Lizard, is one of the 88 official constellations acknowledged by the International Astronomical Union. ... Leo Minor (Latin for Small Lion) is a rather dim constellation that can barely be recognized as a triangle and lies between the easily discerned constellations Ursa Major and Leo. ... Lynx (IPA: ) is a constellation of the northern hemisphere, introduced in the 17th century by Johannes Hevelius. ... Scutum (Latin for shield) is a small constellation. ... For the Ancient Roman coin denomination, see sextans (coin). ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Antlia (IPA: , Latin: ) is a relatively new constellation as it was only created in the 18th century, being too faint to be acknowledged by the ancient Greeks. ... Caelum (IPA: ; earlier Cæla Sculptoris (Latin: ) is a minor southern constellation introduced by Nicolas Louis de Lacaille. ... Canes Venatici (Latin for Hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Carina (IPA: , Latin: ) is a southern constellation which forms part of the old constellation of Argo Navis. ... Circinus, Latin for Compass, is one of the small southern (declination −50 to −60 degrees) constellations. ... Fornax (Latin for furnace) is a southern constellation which was first introduced by Nicolas Louis de Lacaille under the name Fornax Chemica (Latin for chemical furnace). ... Horologium (Latin for clock) is one of the lesser southern constellations (declination around -60 degrees). ... Mensa (Latin for Table) is a southern constellation which was first introduced by Nicolas Louis de Lacaille under the name Mons Mensae (Latin for table mountain). ... Categories: Astronomy stubs | Modern constellations | Constellations ... Norma (IPA: , Latin: ), is a small and inconspicuous [penis] that lies in the southern hemisphere between Scorpius and Centaurus. ... Octans (Latin for octant) is an inconspicuous constellation introduced by Nicolas Louis de Lacaille. ... Pictor (IPA: , Latin: ) is one of the minor southern (declination -50° to -60°) constellations. ... Puppis (IPA: , Latin: ) is a southern constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations | Pyxis constellation | Argo Navis constellation ... Reticulum (Latin for reticle), is one of the minor southern (declination -60 degrees) constellations. ... Categories: Astronomy stubs | Modern constellations | Constellations | Sculptor constellation ... Telescopium (Latin for Telescope) is a minor southern constellation identified and named by Nicolas Louis de Lacaille, the 18th century French astronomer, a student of the southern skies. ... Vela (IPA: , Latin: ) is a southern constellation, one of the four parts into which Argo Navis was split (the others being Carina, Puppis and Pyxis). ... The former constellation Argo Navis Former constellations are constellations that are no longer recognized by the International Astronomical Union for various reasons. ... Vulpecula (IPA: , Latin: ) is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the bright stars Deneb, Vega and Altair. ... Antinous was a constellation south of Aquila. ... The constellation Argo Navis drawn by Johannes Hevelius in 1690 Argo Navis (or simply Argo) was a large southern constellation representing the Argo, the ship used by Jason and the Argonauts in Greek mythology. ... Canes Venatici (Latin for Hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Cancer Minor, Latin: lesser crab, was a constellation composed from a stars in Gemini adjacent to Cancer. ... Cerberus was a constellation created by Hevelius. ... Canes Venatici (Latin for Hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Custos Messium (Latin for harvest-keeper) was a constellation created by Jérôme Lalande in 1775. ... Felis (Latin for cat) was a constellation created by Jérôme Lalande in 1805. ... Frederici Honores or Honores Friderici or Gloria Frederici (Latin for Glory of Frederick) was a constellation created by Johann Bode in 1787 to honor Frederick the Great, the king of Prussia who had died in the previous year. ... Gallus (the cockerel) was a constellation invented by Petrus Plancius in the early 17th century. ... Globus Aerostaticus (Latin for hot air balloon) was a constellation created by Jérôme Lalande in 1798. ... Jordanus (the Jordan River) was a constellation invented by Petrus Plancius in the early 17th century. ... Lochium Funis (Latin for the log and line) was a constellation created by Johann Bode from the stars which Nicolas Louis de Lacaille created the constellation Pyxis. ... Machina Electrica (Latin for electricity generator) was a constellation created by Johann Bode in 1800. ... Malus (Latin for mast) was a constellation that formed part of the Argo Navis constellation. ... Mons Maenalus (the Mountain) was a constellation created by Johannes Hevelius. ... Musca Borealis (Latin for northern fly) was a constellation located between the constellations of Aries and Perseus. ... Noctua (Latin for owl) was a constellation located between the constellations of Hydra and Libra. ... Officina Typographica (Latin for printing office) was a constellation located east of Sirius. ... Polophylax (Greek: guardian of the pole) was a southern constellation introduced by Petrus Plancius in the early 17th century. ... Psalterium Georgii (also Harpa Georgii) (Latin for Georges harp) was a constellation created by Maximilian Hell in 1781 to honor George II of Great Britain. ... Quadrans Muralis (Latin for mural quadrant) was a constellation created by Jérôme Lalande in 1795. ... Ramus Pomifer (Latin for apple branch) was a constellation located between Hercules and Lyra. ... Robur Carolinum (Latin for Charles oak) was a constellation created by the English astronomer Sir Edmund Halley in 1679. ... Sceptrum Brandenburgicum (Latin for scepter of Brandenburg) was a constellation created in 1688 by Gottfried Kirch, astronomer of Prussian Royal Society of Sciences. ... Sceptrum et Manus Iustitiae (Latin for scepter and hand of justice) was a constellation created by Augustin Royer in 1679 to honor king Louis XIV of France. ... Solarium (Latin for sundial) was a constellation located between the constellations of Horologium, Dorado and Hydrus. ... Tarandus vel Rangifer or Tarandus or Rangifer (the Reindeer) was a small constellation located between the constellations of Cassiopeia and Camelopardalis. ... Taurus Poniatovii (Latin for Poniatowskis bull) was a constellation created by Martin Poczobut in 1777 to honor Stanislaus Poniatowski, king of Poland. ... Telescopium Herschelii (Latin for Herschels telescope) was a constellation created by Maximilian Hell in 1781 to honor the famous English astronomer Sir William Herschel. ... Testudo (Latin for turtle) was a constellation located between the constellations of Cetus and Pisces. ... River Tigris or Tigris (named after the Tigris river) was a constellation, invented by Jakob Bartsch in the 17th century (or by Petrus Plancius). ... Triangulum Minor or Triangulum Minus (Latin for lesser triangle) was a constellation created by Hevelius. ... Hiren is gay. ... The constellation Lyra (Latin for Lyre) already formed part of Ptolemys list of 48 constellations and is also one of the 88 modern constellations approved by the IAU. Lyra is not very big but still easy to find because its principal star, Vega, is also a vertex of the... Apis (Latin for bee) was a constellation located south of constellation Crux. ... Grus (Latin for Crane) is a southern constellation. ... Ophiuchus (IPA: ), formerly referred to as Serpentarius (IPA: ), the former originating in the Greek language and the latter in the Latin language, both meaning serpent-holder, is one of the 88 constellations and was also one of the 48 listed by Ptolemy. ... Vespa (Latin for wasp) was a constellation created by Jakob Bartsch in the 17th century. ... This article is about a constellation in the sky. ...

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Cygnus
  • The Deep Photographic Guide to the Constellations: Cygnus
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Constellation Cygnus (1322 words)
Diffuse Nebulae NGC 6960, NGC 6992, NGC 7000, I 5070, I 5067, The Cygnus Rift
This lane is known as The Cygnus Rift or sometimes as the Northern Coalsack.
Cygnus, the swan, is one of the the two birds (Aquila, the eagle, is the second), which are hunted by Hercules.
Reference.com/Encyclopedia/Cygnus (constellation) (602 words)
Cygnus (IPA: /ˈsɪgnəs/, swan) is a northern constellation.
Cygnus also contains the X-ray source Cygnus X-1, which is considered to be one of the most likely fl hole candidates.
Cygnus, together with other constellations in the Zodiac sign of Sagittarius (specifically Lyra and Aquila, together with Sagittarius itself), may be a significant part of the origin of the myth of the Stymphalian Birds, one of The Twelve Labours of Heracles.
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