Map of the Universe

Hercules Globular Cluster

Globular cluster · Globular cluster in the constellation Hercules

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Hercules Globular Cluster
Picture: Chuck Ayoub, CC0, via Wikimedia Commons.

About Hercules Globular Cluster

Hercules Globular Cluster is about 24,201 light-years from the Sun, so the light we see from it left about 24,201 years ago.

It is 28,428 light-years from the centre of the Milky Way.

The map lists it as a globular cluster and shows it among the stars around the Sun, drawn on the plane of the Milky Way.

Key numbers

Distance24,201 light-years (7.42 kpc)
Distance from the Galactic centre28,428 light-years
Galactic coordinatesl = 59.01°, b = +40.91°
Absolute magnitude (V)-8.6
Stellar mass4.68 × 10⁵ suns
Half-light radius11 light-years

Data: Local Volume Database v1.1.1 (Pace 2025).

Where it is

Its place in the universe, from the inside out: Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.

Zoom out to see it in context: Local Arm, a view about 12,000 light-years across.

From Wikipedia

Messier 13, or M13, is a globular cluster of several hundred thousand stars in the constellation of Hercules.

Excerpt from the Wikipedia article Messier 13, licensed CC BY-SA 4.0.

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