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Triangulum Galaxy

Pinwheel Galaxy, M33, NGC 598

Proper NamesTriangulum Galaxy, Pinwheel Galaxy
Messier NumberM33
NGC/IC NumberNGC 598
Right Ascension1h 33m 51s
Declination+30° 39' 36"
Distancec.2,870,000 light years
c.880,000 parsecs
MagnitudeApparent: +5.7
Absolute: -19.0
DiameterApparent: 68.7'
Actual: 56,000 light years
Hubble TypeSc Spiral
Optimum VisibilityOctober / November
NoteTogether with the Milky Way Galaxy and the Andromeda Galaxy, the Triangulum Galaxy is one of the three major galaxies in the Local Group. It is sometimes called the 'Pinwheel Galaxy', not to be confused with M101 in Ursa Major, which also goes by the same name.

A spiral galaxy just within Triangulum's border with Pisces. It is a member of Local Group of galaxies, together with our own Milky Way Galaxy and the Andromeda Galaxy, near which it lies in the sky.

Imagery provided by Aladin sky atlas

Location of the Triangulum Galaxy

The Triangulum Galaxy lies close to Mothallah, the 'point' of the Triangle, near the place where Triangulum converges with the constellations Andromeda and Pisces.


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