Corona Australis

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**Corona australis**
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Abbreviation:	CrA
Genitive:	Coronae Australis / Coronae Austrinae
Symbology:	The Southern Crown
Right ascension:	19 h
Declination:	−40°
Area:	128 sq. deg. (80th)
Main stars:	6
Bayer/Flamsteed stars:	13
Stars with known planets:	0
Bright stars:	0
Nearby stars:	0
Brightest star:	α CrA (4.1^m)
Nearest star:	HD 177565 (56 ly)
Messier objects:	0
Meteor showers:	Beta Corona Austrinids
Bordering constellations:	Sagittarius Scorpius Ara Telescopium
Visible at latitudes between +40° and −90° Best visible at 21:00 (9 p.m.) during the month of August

Corona Australis (IPA: [kʰoˈɹoʊnə ɔˈstɹeɪlɪs]) or Corona Austrina (IPA: [kʰoˈɹoʊnə ɔˈstɹaɪnə], Latin: southern crown) was one of Ptolemy's 48 constellations, and also counts among the 88 modern constellations. The name contrasts with Corona Borealis.

[edit] See also

List of stars in Corona Australis

[edit] References

The Cambridge Guide to the Constellations, Michael E. Bakich, Cambridge University Press, 1995, pg. 85

[edit] External links

Corona Australis photo - [1]

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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

Constellation history

The 48 constellations listed by Ptolemy after 150 AD

Andromeda • Aquarius • Aquila • Ara • Argo Navis • Aries • Auriga • Boötes • Cancer • Canis Major • Canis Minor • Capricornus • Cassiopeia • Centaurus • Cepheus • Cetus • Corona Australis • Corona Borealis • Corvus • Crater • Cygnus • Delphinus • Draco • Equuleus • Eridanus • Gemini • Hercules • Hydra • Leo • Lepus • Libra • Lupus • Lyra • Ophiuchus • Orion • Pegasus • Perseus • Pisces • Piscis Austrinus • Sagitta • Sagittarius • Scorpius • Serpens • Taurus • Triangulum • Ursa Major • Ursa Minor • Virgo

The 41 modern additional constellations from 1603 AD and forth

▶ Bayer 1603: Apus • Chamaeleon • Coma Berenices • Dorado • Grus • Hydrus • Indus • Musca • Pavo • Phoenix • Triangulum Australe • Tucana • Volans • Vulpecula ▶ Plancius&Bartsch 1624: Camelopardalis • Monoceros ▶ Royer 1679: Columba • Crux ▶ Hevelius 1683: Canes Venatici • Lacerta • Leo Minor • Scutum • Sextans ▶ de Lacaille 1763: Antlia • Caelum • Canes Venatici • Carina • Circinus • Leo Minor • Mensa • Microscopium • Norma • Octans • Pictor • Puppis • Pyxis • Reticulum • Sculptor • Scutum • Sextans • Telescopium • Vela • Vulpecula

Obsolete constellations including Ptolemy's Argo Navis
Anser • Antinous • Argo Navis • Asterion • Cerberus • Chara • Custos Messium • Felis • Frederici Honores/Gloria Frederici • Gallus • Globus Aerostaticus • Jordanus • Lochium Funis • Machina Electrica • Malus • Mons Maenalus • Musca Borealis • Noctua • Officina Typographica • Polophylax • Psalterium Georgii/Harpa Georgii • Quadrans Muralis • Ramus Pomifer • Robur Carolinum • Sceptrum Brandenburgicum • Sceptrum et Manus Iustitiae • Solarium • Tarandus vel Rangifer • Taurus Poniatovii • Telescopium Herschelii • Testudo • Tigris • Triangulum Minor • Turdus Solitarius • Vultur
obsolete constellation names
Apis • Phoenicopterus • Serpentarius • Vespa • Xiphias