NGC 1684 (H421)
NGC 1684 (H421) is a galaxy located in the constellation of Orion. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 1684:
| Herschel: | H421 |
| NGC/IC: | NGC 1684 |
| Herschel: | H 2.528 |
| Type: | galaxy |
| Magnitude: | 11.7 |
| Right Ascension: | 04:52.5 |
| Declination: | -03:06 |
| Constellation: | Orion |
| Size (arc-minutes): | 2.3 |