NGC 2309 (H518)
NGC 2309 (H518) is a open cluster located in the constellation of Monoceros. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 2309:
| Herschel: | H518 |
| NGC/IC: | NGC 2309 |
| Herschel: | H 6. 18 |
| Type: | open cluster |
| Magnitude: | 10.5 |
| Right Ascension: | 06:56.2 |
| Declination: | -07:12 |
| Constellation: | Monoceros |
| Size (arc-minutes): | 3 |