# Jonckheere 320

> planetary nebula

**Wikidata**: [Q15907114](https://www.wikidata.org/wiki/Q15907114)  
**Source**: https://4ort.xyz/entity/q15907114


## References

1. SIMBAD
2. Improved spectral descriptions of planetary nebulae central stars
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
6. The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale
7. A new catalog of 53,522 4.85 GHz sources