Triangulum Australe Constellation
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Triangulum, the triangle, is a small northern constellation known for its triangular shape, containing the Triangulum Galaxy (M33), a member of the Local Group.
Triangulum Australe Rise and Set Timetable
| Time | Elevation | |
| Triangulum Australe is always below the horizon | - | |
Moonrise, 21% illuminated  | 09:49 | -44° |
| Triangulum Australe transit | 17:28 | -13° |
| Astronomical observing session begins | 18:57 | -14° |
| Moonset | 20:26 | -19° |
| Astronomical observing session ends | 03:26 | -57° |
Track Triangulum Australe Position Throughout the Night
← 18 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Triangulum Australe changing position in the night sky.
Nebulae in the constellation Triangulum Australe
NGC6025
Open Cluster
NGC6025 is an open cluster with apparent magnitude 5.10 in the constellation Triangulum Australe, spanning approximately 11.4 arcseconds in the sky.
Annual motion of Triangulum Australe
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | Triangulum Australe is always down |
| Set | Triangulum Australe is always down |
| Elevation at transit | -13° |
| Transit time | 17:28 |
| Equatorial coordinates | RA: 16h 06m 52s", Dec: -65° 32' 54s |
| Magnitude | - |
| Constellation |
The graph illustrates the constellation’s annual visibility pattern and its daily rise, set, and transit times throughout the year.
The vertical axis shows the hours of the day, while the horizontal axis spans the days of the year.
The reddish area marks when the constellation is above the horizon. The white line shows when it reaches its highest point in the sky. View detailed visibility information in a table with rise, transit, and set times for each date.
The vertical axis shows the hours of the day, while the horizontal axis spans the days of the year.
The reddish area marks when the constellation is above the horizon. The white line shows when it reaches its highest point in the sky. View detailed visibility information in a table with rise, transit, and set times for each date.
Acknowledgements
We gratefully acknowledge the International Astronomical Union (IAU) for defining and standardizing the official constellation boundaries used in celestial mapping.
Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for producing the charts and tables. Alan MacRobert’s constellation patterns were influenced by the work of H. A. Rey and adjusted to align with earlier traditions.