Triangulum Tri
Triangulum is one of the 88 constellations, covering 132 square degrees of the sky (78th largest). It is highest at midnight in October and best in the evening sky in November and December.
3 of its best-known objects have a page of their own here.
Facts
| Abbreviation | Tri |
|---|---|
| Size | 132 square degrees (78th largest of the 88; the full Moon covers about 0.2) |
| Middle (J2000) | 2h 08m, +32° |
| Highest at midnight | October (in the evening, around 8–10 pm: November and December) |
| How high | From India (about 20° N) its middle climbs to about 78° above the horizon; from 50° N, to about 72°. |
| Pages here | 3 objects |
Galaxies
1Black holes, pulsars and other extreme objects
1Stars
1Brightest NGC and IC objects
OpenNGC| Object | Type | Magnitude | Size |
|---|---|---|---|
| M33 · NGC 598 (Triangulum Galaxy) | Galaxy | 5.8 | 62.1′ |
| NGC 925 (on the map) | Galaxy | 10.1 | 10.7′ |
| NGC 672 (on the map) | Galaxy | 10.9 | 7′ |
| IC 136 (on the map) | Association of stars | 11 | — |
| NGC 953 (on the map) | Galaxy | 11.3 | 1.5′ |
| NGC 777 (on the map) | Galaxy | 11.5 | 2.8′ |
| IC 1727 (on the map) | Galaxy | 11.6 | 6.5′ |
| NGC 784 (on the map) | Galaxy | 11.7 | 4.2′ |
| NGC 1060 (on the map) | Galaxy | 11.8 | 2.4′ |
| NGC 890 (on the map) | Galaxy | 11.9 | 1.1′ |
| NGC 949 (on the map) | Galaxy | 11.9 | 3.1′ |
| NGC 736 (on the map) | Galaxy | 12.1 | 1.8′ |
Smaller magnitudes are brighter; the faintest stars the eye sees are about 6. The full Moon is about 31′ across.
Data: IAU constellation boundaries (Roman 1987) · OpenNGC (Mattia Verga, CC BY-SA 4.0) · Data sources & credits