The NGC 6637 is a globular cluster in the constellation Sagittarius, located about 26,700 light-years from Earth. With an apparent size of 3.8' and a magnitude of 7.6, it is best observed during summer.

Under dark skies, this object is considered Moderate to observe with small amateur telescopes.

Type

Globular Cluster

Constellation

Sagittarius

Distance

26700 ly

Size

3.8'

Season

Summer

Difficulty

Moderate

Magnitude

7.6