# Abell 33

> planetary nebula in the constellation Hydra

**Wikidata**: [Q15781310](https://www.wikidata.org/wiki/Q15781310)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Abell_33)  
**Source**: https://4ort.xyz/entity/abell-33


## References

1. SIMBAD
2. Towards an improvement in the spectral description of central stars of planetary nebulae
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)