Triangulum Australe culminates each year at 9 p.m. on 23 August.

Ara is a southern constellation situated between Scorpius and Triangulum Australe.

HD 147018 is a G-type main sequence star in the constellation of Triangulum Australe.

NGC 6025 is an open cluster located 2,700 light years away in the Triangulum Australe constellation.

HD 133683 is a yellow-white bright giant or supergiant star in the southern constellation of Triangulum Australe.

Triangulum Australe has few deep-sky objects-one open cluster and a few planetary nebulae and faint galaxies.

The map of Chinese constellation in constellation Triangulum Australe area consists of :

As well as the catalogue, Vespucci wrote descriptions of the southern stars, including a triangle which may be either Triangulum Australe or Apus.

Norma was originally known as the 'Southern Triangle' (no relation to Triangulum Australe) or 'Quadrans Euclidis' (Euclid's square).

It is bordered by Triangulum Australe, Circinus, Musca, Chamaeleon, Octans, Pavo and Ara.

There is also a "stream" of stars which are likely members of the Ursa Major Moving Group, scattered more widely across the sky (from Cepheus to Triangulum Australe).

Beta Trianguli Australis (β TrA, β Trianguli Australis) is a double star in the southern circumpolar constellation of Triangulum Australe.

Bordered by Centaurus, Musca, Apus, Triangulum Australe, Norma and Lupus, Circinus lies adjacent to the Alpha and Beta Centauri stars.

The Wardaman people of the Northern Territory in Australia perceived the stars of Triangulum Australe as the tail of the Rainbow Serpent, which stretched out from near Crux across to Scorpius.

The group covers a region of space for the most part visible only in the Southern Hemisphere, and lies in the constellations Eridanus, Lepus, Pictor, Scorpius, Fornax, Triangulum Australe and Telescopium.

Lacaille portrayed the constellations of Norma, Circinus and Triangulum Australe, respectively, as a set square and ruler, a compass, and a surveyor's level in a set of draughtsman instruments, in his 1756 map of the southern stars.

Along with Alpha and Beta Trianguli Australis it forms a prominent triangular asterism that gives the constellation its name (Latin for southern triangle).

Most of these facilities are in the southern triangle of the state, having been located there in the days before Las Vegas swelled to receive twenty million visitors a year.

Norma was originally known as the 'Southern Triangle' (no relation to Triangulum Australe) or 'Quadrans Euclidis' (Euclid's square).

Its name is Latin for "the southern triangle", which distinguishes it from Triangulum in the northern sky and is derived from the almost equilateral pattern of its three brightest stars.

According to Bosnian officials, Croatia has agreed not to challenge Serbian control of the region around Trebinje, in a southern triangle of Bosnia adjacent to Montenegro, Serbia's ally in the truncated federation of what was once Yugoslavia.