# NGC 6826

> planetary nebula in the constellation Cygnus

**Wikidata**: [Q725474](https://www.wikidata.org/wiki/Q725474)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_6826)  
**Source**: https://4ort.xyz/entity/ngc-6826


## References

1. SIMBAD
2. VizieR
3. On the Classification of Emission-Line Spectra of Planetary Nuclei
4. The Nuclei of Two Planetary Nebulae
5. The Absorption-Line Spectra of the Central Stars of the Planetary Nebulae.
6. Spectroscopic studies of very old hot stars. II - Spectral classification, absolute magnitudes, and distances of O-type planetary nuclei
7. Freebase Data Dumps. 2013
8. The General Catalogue of Trigonometric Stellar Parallaxes, Fourth Edition
9. Gaia Data Release 2
10. The Two Micron All Sky Survey (2MASS)
11. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
12. General Catalogue of Stellar Radial Velocities
13. The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale
14. AGK3