About Ptolemy's Cluster (M7)

Ptolemy's Cluster is a rewarding deep-sky target and presents itself as a diffuse object. It is relatively bright.

Current visibility

It is currently below the horizon.

It stays above 30° for roughly 7 hours.

Observing conditions matter, fine detail requires darker skies.

Observing tips

It is often recommended as an entry-level object.

What to expect

Under good conditions, the object reveals more character.

Type

Open Cluster

Constellation

Scorpius

Distance

800 ly

Size

30.0'

Season

Summer

Difficulty

Easy

Magnitude

4.1