Triangulum Australe
Origin
The constellation Triangulum Australe, which represents the Southern Triangle, was first depicted by Flemmish astronomer Petrus Plancius in 1589 and its three brightest stars form a nearly equilateral traingle.
Bright Stars
Triangulum Australe is relatively small and doesn't contain any particularly bright stars.
Photo of the constellation Triangulum Australe produced by NOIRLab in collaboration with Eckhard Slawik, a German astrophotographer.
The annotations are from a standardized set of 88 western IAU constellations and stick figures from Sky & Telescope. Please find here a non-annotated version of the image.
Credit: E. Slawik/NOIRLab/NSF/AURA/M. Zamani
Latin name
Triangulum Australe
Genitive forms
Trianguli Australis
English name
The Southern Triangle
Pronunciation
tri-ANG-yuh-lum aus-TRAY-lee
Abbreviation
TrA
Notable Objects
NGC 6025: NGC 6025 is an open star cluster in the constellation Triangulum Australe. It is relatively bright and compact, making it a good target for small telescopes.
