About NGC 6494 (M23)

NGC 6494 stands out as a well-known observing object 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, fine detail requires darker skies.

Observing tips

This object is better suited for experienced observers.

What to expect

In small telescopes it remains mostly unresolved.

Type

Open Cluster

Constellation

Sagittarius

Distance

2150 ly

Size

25.0'

Season

Summer

Difficulty

Easy

Magnitude

6.9