Object Type: Open Cluster
RA: 1h 46m 1s
Dec: +61° 14' 6"
Recommended minimum aperture: 50mm
Charts for 50mm Binocular (5° aperture circle). Click on a chart to print it.
NGC 663 is the largest of several open clusters that are visible in the same 5° field as δ and ε Cassiopeiae.
What You Should See:
It is superior in every respect to the nearby M103 and, unlike M103 which appears as a small fan-shaped patch of nebulosity, some of the stars are resolvable in 10×50 binoculars.