NGC 663
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| NGC 663 | |
| Observation data (J2000 epoch) | |
|---|---|
| Right ascension | 01h 46.0m |
| Declination | +61° 15′ |
| Distance | - kly () |
| Apparent magnitude (V) | 7.1 |
| Apparent dimensions (V) | 16.0″ |
| Notable features | - |
| Other designations | - |
| See also: Open cluster, List of open clusters | |
NGC 663 is an open cluster in the Cassiopeia constellation.

