Triangulum Constellation
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Triangulum, the triangle, is a small constellation in the northern sky known for containing the Triangulum Galaxy (M33), a member of the Local Group.
Triangulum Rise and Set Timetable
| Time | Elevation | |
Moon Rise, 91.9% illuminated  | 16:14 | -11° |
| Triangulum Rise | 23:03 | |
| Astrosession begin | 00:29 | 14° |
| Moon Set | 01:36 | 26° |
| Astrosession end | 02:39 | 38° |
| Civil sunrise | 03:18 | 46° |
| Sunrise | 03:50 | 52° |
| Triangulum Transit | 06:55 | 84° |
Track Triangulum Position Throughout the Night
← Sat, 27 June 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Triangulum changing position in the night sky.
Nebulae in the constellation Triangulum
IC0135
HII Ionized region
IC0135 is a hii ionized region with apparent magnitude in the constellation Triangulum, spanning approximately 0.4 arcseconds in the sky.
IC0137
Association of stars
IC0137 is an association of stars with apparent magnitude in the constellation Triangulum.
IC0140
Association of stars
IC0140 is an association of stars with apparent magnitude in the constellation Triangulum.
NGC0592
Association of stars
NGC0592 is an association of stars with apparent magnitude in the constellation Triangulum.
NGC0595
HII Ionized region
NGC0595 is a hii ionized region with apparent magnitude in the constellation Triangulum, spanning approximately 1.7 arcseconds in the sky.
Triangulum Galaxy (M33)
Galaxy
The Triangulum Galaxy, a spiral galaxy containing approximately 40 billion stars, located approximately 3 million light-years away.
NGC0604
HII Ionized region
NGC0604 is a hii ionized region with apparent magnitude in the constellation Triangulum, spanning approximately 1.9 arcseconds in the sky.
NGC0970
Galaxy Pair
NGC0970 is a galaxy pair with apparent magnitude in the constellation Triangulum, spanning approximately 1 arcsecond in the sky.
NGC0978
Galaxy Pair
NGC0978 is a galaxy pair with apparent magnitude in the constellation Triangulum, spanning approximately 1.9 arcseconds in the sky.
Annual motion of Triangulum
| Date | Sun, 28 June 2026 |
| Twighlight start | 20:21 |
| Twighlight end | 01:50 |
| Twighlight duration | 5h 29m |
| Rise | 22:59 |
| Set | 14:42 |
| Elevation at transit | 84° |
| Transit time | 06:51 |
| Equatorial coordinates | RA: 02h 10m 17s", Dec: 31° 50' 27s |
| Magnitude | - |
| Constellation |
The graph illustrates the annual visibility pattern of a Triangulum, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Triangulum is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit. You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Triangulum is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit. You can also view detailed visibility information in a dedicated table, including exact 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, which provide a consistent framework for celestial mapping.
Special thanks to Sky & Telescope Magazine and contributors Roger Sinnott and Rick Fienberg for their collaboration in producing the charts and tables. The constellation patterns, drawn by Alan MacRobert, were influenced by the work of H. A. Rey and thoughtfully adjusted to align with earlier traditions.