# NGC 6439

> planetary nebula

**Wikidata**: [Q1145800](https://www.wikidata.org/wiki/Q1145800)  
**Source**: https://4ort.xyz/entity/q1145800


## References

1. SIMBAD
2. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
3. A Survey of Planetary Nebulae in the Southern Galactic Bulge
4. The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale
5. Second USNO CCD Astrograph Catalog