NGC 7139
NGC 7139 is a planetary nebula located in the constellation of Cepheus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 7139:
| NGC: | NGC 7139 |
| Type: | planetary nebula |
| Constellation: | Cepheus |
| V-mag (visual): | 13.3 |
| B-mag (blue): | 13 |
| Right Ascension: | 21:46:08.60 |
| Declination: | 63:47:31.00 |
| Major axis: | 1.28 ' |
| Radial velocity: | -54 km/s |
| Redshift: | -0.00018 |
| PN star V-mag: | 18.7 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS