C10 · open cluster

NGC 663

NGC 663 is a young open cluster located 8,800 light years from Earth in the constellation of Cassiopeia.

RA01h 46m 16sDec+61° 13' 05"

Image: KPNO/NOIRLab/NSF/AURA/Peter and Suzie Erickson/Adam Block. CC BY 4.0, via Wikimedia Commons.

Identity & coordinates

Identification

Primary designation: C10
All designations: C10 · NGC 663
Object type: Open Cluster
Constellation: Cassiopeia
Best viewing: Autumn · Winter

Coordinates & physical

Right ascension (J2000): 01h 46m 16s
Declination (J2000): +61° 13' 05"
Apparent magnitude (V): —
Distance: —

III

Visibility tonight

The science

NGC 663 is a young open cluster located 8,800 light years from Earth in the constellation of Cassiopeia. It has an estimated 400 stars and spans about a quarter of a degree across the sky. It can reportedly be detected with the unaided eye, although a telescope is recommended for best viewing. The brightest members of the cluster can be viewed with binoculars. Although the listed visual magnitude is 7.1, several observers have reported higher estimates.

Summary adapted from Wikipedia · CC-BY-SA-4.0