The Constellation Triangulum Australe

by Dominic Ford
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Triangulum Australe

Triangulum Australe is a small constellation which lies close to the south celestial pole. Across much of the southern hemisphere it is circumpolar, but it appears highest in the evening sky in the months around April.

It is the southern counterpart of Triangulum, and is of a similar size. It was introduced by Keyser & de Houtman in 1598. Comprising of one second-magnitude and two third-magnitude stars, it is a full magnitude brighter than the northern triangle.

The southern triangle is home to only one bright deep sky object, the open cluster NGC 6025, also known as Caldwell 95.

Date First Appeared
1598 (Keyser & de Houtman)
Sky Area
0.3% of the sky
110.0 square degrees
Messier Objects
Triangulum Australe contains no Messier objects
Caldwell Objects
Triangulum Australe contains the following Caldwell object: C95.
Neighbors
The following constellations neighbor Triangulum Australe: Apus, Ara, Circinus, Norma.
Triangulum Australe Triangulum Australe
The constellation Triangulum Australe as it appears to the unaided eye. Roll mouse over to see labels.
Source: Stellarium.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

Color scheme


Brightest Objects in Triangulum Australe

Hover the pointer over the name of an object to highlight its position on the starchart to the right, or click to see more information.

Stars Open Clusters Globular Clusters Galaxies
Atria (mag 1.9) NGC 6025 (mag 5.1) NGC 5938 (mag 11.9)
β-TrA (mag 2.8) NGC 6156 (mag 12.3)
γ-TrA (mag 2.8) IC 4585 (mag 13.0)
δ-TrA (mag 3.8) IC 4595 (mag 13.1)
ε-TrA (mag 4.1) IC 4584 (mag 13.4)
ζ-TrA (mag 4.9) NGC 6183 (mag 14.1)
LP TrA (mag 5.1) IC 4571 (mag 14.6)
κ-TrA (mag 5.1)
HIP 80874 (mag 5.2)
ι-TrA (mag 5.3)
θ-TrA (mag 5.5)
X TrA (mag 5.6)
HIP 75665 (mag 5.7)
HIP 78279 (mag 5.7)
HIP 78045 (mag 5.8)
HIP 74184 (mag 5.8)
HIP 83150 (mag 5.9)
η¹-TrA (mag 5.9)
HIP 75565 (mag 5.9)
HIP 79797 (mag 5.9)
HIP 81873 (mag 6.0)
HIP 82517 (mag 6.1)
HIP 80455 (mag 6.1)
HIP 77390 (mag 6.1)
HIP 74047 (mag 6.2)
HIP 77817 (mag 6.2)
HIP 78603 (mag 6.2)
HIP 82539 (mag 6.3)
HIP 77927 (mag 6.3)
HD140484 (mag 6.4)
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