Triangulum Galaxy (M33)

Triangulum Galaxy (M33) is a spiral galaxy in the constellation Triangulum, with an apparent magnitude of 5.7. It is about 2.9 million light-years away.

Finder chart for the Triangulum Galaxy (M33) in the constellation Triangulum
the Triangulum Galaxy (M33) (circled) in Triangulum. Pink symbols mark Messier objects.
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Facts

CatalogMessier 33 (M33)
Typespiral galaxy
ConstellationTriangulum
Apparent magnitude5.7
Distanceabout 2.9 million light-years
Right ascension1 h 33.8 min
Declination+30.66°
Best monthNovember (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find the Triangulum Galaxy

The Triangulum Galaxy is in Triangulum. From 40° N it is highest in the south in November evenings, about 81° up. From 35° S it reaches about 24° in the north. Binoculars show it under a dark sky; a small telescope shows more detail.

Triangulum constellation →

The Messier catalog →

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