About NGC 6613 (M18)

NGC 6613 is a rewarding deep-sky target and presents itself as a diffuse object. It has moderate brightness.

Current visibility

It is currently below the horizon.

It stays above 30° for roughly 8 hours.

Observing conditions matter, contrast improves away from light pollution.

Observing tips

It can be challenging under typical skies.

What to expect

Under good conditions, the object reveals more character.

It appears more compact than typical clusters.

Type

Open Cluster

Constellation

Sagittarius

Distance

4900 ly

Size

9.0'

Season

Summer

Difficulty

Moderate

Magnitude

7.5