NGC 6633 (H2304)
NGC 6633 (H2304) is a open cluster located in the constellation of Ophiuchus. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 6633:
| Herschel: | H2304 |
| NGC/IC: | NGC 6633 |
| Herschel: | H 8. 72 |
| Type: | open cluster |
| Magnitude: | 4.6 |
| Right Ascension: | 18:27.7 |
| Declination: | +06:34 |
| Constellation: | Ophiuchus |
| Size (arc-minutes): | 27 |