NGC 4646 (H1577)
NGC 4646 (H1577) is a galaxy located in the constellation of Ursa Major. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 4646:
| Herschel: | H1577 |
| NGC/IC: | NGC 4646 |
| Herschel: | H 2.794.2 |
| Type: | galaxy |
| Magnitude: | 13.4 |
| Right Ascension: | 12:42.9 |
| Declination: | +54:51 |
| Constellation: | Ursa Major |
| Size (arc-minutes): | 0.5 |