Triangulum Galaxy

The third-largest galaxy in the Local Group.

The picture hangs at that distance facing Earth, as large as it is on the sky; how deep the object is cannot be seen, so it is flat.

Taken by

Digitized Sky Survey

Picture spans

about 76,000 ly

From the Sun

2.73 million light-years

RA / Dec

23.46° / 30.66°

Credit

Digitized Sky Survey 2 (STScI/AURA, Palomar/Caltech, UKSTU/AAO), via CDS hips2fits

The Triangulum Galaxy is a spiral galaxy 2.878 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. With the D25 isophotal diameter of 18.74 kiloparsecs (61,120 light-years), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.

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