NGC 6639
NGC 6639 is a open cluster located in the constellation of Scutum. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6639:
| NGC: | NGC 6639 |
| Type: | open cluster |
| Constellation: | Scutum |
| Right Ascension: | 18:30:59.30 |
| Declination: | -13:09:21.00 |
| Major axis: | 6 ' |
| Radial velocity: | 7 km/s |
| Redshift: | 0.000023 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS