Cosmic Atlas object record
NGC 7293 Helix Nebula
NGC7293, NGC 7293, Helix Nebula
- Object type
- nebula
- Constellation
- Aqr
- Right ascension
- 337.41070833°
- Declination
- -20.83733333°
- Reference frame
- J2000 equatorial catalog coordinates
- Distance
- 655.4589584500153 ly
- Distance kind
- Not supplied by the source catalog
- Uncertainty
- Not supplied by the source catalog
- Apparent magnitude
- 7.3
- Catalog source
- openngc_ngc_ic_catalog
- Catalog epoch
- J2000 catalog coordinates
- Position epoch
- J2000
- Selection caveat
- OpenNGC Pax is not treated as parallax for galaxies. Galactic classes never use Hubble-flow redshift or radial-velocity distance, and radial velocity alone is never converted to distance.
- Cosmology
- Not supplied by the source catalog