About NGC 663 (C10)

NGC 663 is a rewarding deep-sky target and is visible as a compact luminous region. It has moderate brightness.

Current visibility

It is currently below the horizon.

It does not reach a useful observing altitude today.

Observing conditions matter, subtle features are easily lost in bright skies.

Observing tips

It can be challenging under typical skies.

Type

Open Cluster

Constellation

Cassiopeia

Distance

7200 ly

Size

Season

Autumn

Difficulty

Easy

Magnitude

7.1