NGC 7293
Helix Nebula
NGC 7293 is a planetary nebula located in the constellation of Aquarius. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 7293:
| NGC: | NGC 7293 |
| Common name: | Helix Nebula |
| Type: | planetary nebula |
| Constellation: | Aquarius |
| V-mag (visual): | 7.3 |
| B-mag (blue): | 7.5 |
| J-mag (IR): | 14.3 |
| H-mag (IR): | |
| K-mag (IR): | 14.4 |
| Right Ascension: | 22:29:38.57 |
| Declination: | -20:50:14.40 |
| Major axis: | 16.33 ' |
| Radial velocity: | -15 km/s |
| Redshift: | -0.00005 |
| PN central star ID: | USNO 271 |
| PN star V-mag: | 13.5 |
| PN star B-mag: | 13.5 |
| PN star U-mag: | 13.5 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS