NGC 643A
NGC 643A is a open cluster located in the constellation of Hydrus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 643A:
| NGC: | NGC 643A |
| Type: | open cluster |
| Constellation: | Hydrus |
| Right Ascension: | 01:30:38.49 |
| Declination: | -76:03:16.20 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS