Constellations · Constellation · Trianguli Australis · TrA
Constellation
Triangulum Australe
The southern triangle: three bright stars, so simple a shape that it was set in the sky by the Dutch in the 1590s and never changed.
- Genitive
- Trianguli Australis
- Area
- 110 square degrees · 83rd of 88
- Brightest star
- Atria · magnitude 1.91
- Naked-eye stars
- 35 brighter than magnitude 6.5
- Highest at midnight
- mid May
Look for
Atria, its brightest, is an orange giant. The Triangle lies beside the Pointers, Rigil Kentaurus and Hadar.