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The official constellation boundaries, as set by Belgian astronomer Eugène Delporte in 1930, [b] are defined by a polygon of six segments (illustrated in infobox). In the equatorial coordinate system , the right ascension coordinates of these borders lie between 13 h 49.5 m and 18 h 27.3 m , while the declination coordinates are between −67. ...
Tucana (The Toucan) is a constellation in the southern sky, named after the toucan, a South American bird.It is one of twelve constellations conceived in the late sixteenth century by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman.
Volans is a constellation in the southern sky.It represents a flying fish; its name is a shortened form of its original name, Piscis Volans. [2] Volans was one of twelve constellations created by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman and it first appeared on a 35-cm (14") diameter celestial globe published in 1597 (or 1598) in Amsterdam by ...
The constellations Grus, Pavo, Phoenix and Tucana are collectively known as the "Southern Birds". The constellation's brightest star, Alpha Gruis, is also known as Alnair and appears as a 1.7-magnitude blue-white star. Beta Gruis is a red giant variable star with a minimum magnitude of 2.3 and a maximum magnitude of 2.0.
The constellation stretches from roughly −39° to −57° declination, and from 23.5h to 2.5h of right ascension. The constellations Phoenix, Grus, Pavo and Tucana, are known as the Southern Birds. The brightest star, Alpha Phoenicis, is named Ankaa, an Arabic word meaning 'the Phoenix'. It is an orange giant of apparent magnitude 2.4.
Noctua (Latin: owl) was a constellation near the tail of Hydra in the southern celestial hemisphere, but is no longer recognized. [1] It was introduced by Alexander Jamieson in his 1822 work, A Celestial Atlas , and appeared in a derived collection of illustrated cards, Urania's Mirror . [ 2 ]
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The Vermilion Bird on the gates of a Han dynasty mausoleum complex. The Vermilion Bird is elegant and noble in both appearance and behavior, with feathers in many different hues of vermilion. It is very selective about what it eats and where it perches. [citation needed] Han dynasty decorative bronze cup in the shape of zhuque, from Tomb of Dou ...