NGC 663 (H159)
NGC 663 (H159) is a open cluster located in the constellation of Cassiopeia. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 663:
| Herschel: | H159 |
| NGC/IC: | NGC 663 |
| Herschel: | H 6. 31 |
| Type: | open cluster |
| Magnitude: | 7.1 |
| Right Ascension: | 01:46.0 |
| Declination: | +61:15 |
| Constellation: | Cassiopeia |
| Size (arc-minutes): | 16 |