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