Triangulum Australe


Triangulum Australe


English nameAustral Triangle

Major
stars
alpha Trianguli AustralisAtriamagn. 1,9RA: 16h 48m 39.93sDec: -69 01' 39.5"
beta Trianguli Australismagn. 3,0RA: 15h 55m 08.59sDec: -63 25' 49.3"
gamma Trianguli Australismagn. 3,1RA: 15h 18m 54.61sDec: -68 40' 45.9"

DescriptionSmall constellation to the southeast of Rigil, the principal star of Centaurus. It is very easy to find it because of its characteristic shape.

In the northern zone of the constellation, on the border with Norma, there is NGC 6025, an open cluster composed by about thirty stars, some of which reach the seventh magnitude: it is 2000 light-years away from us and it is observable with good binoculars.


Mythology
and history
The constellation was drawn by the Dutch navigators Pieters Dirkszoon Keyser and Frederik de Houtman towards the end of the XVI century.


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