# Heart Nebula

> HII region in the constellation Cassiopeia

**Wikidata**: [Q33586](https://www.wikidata.org/wiki/Q33586)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heart_Nebula)  
**Source**: https://4ort.xyz/entity/heart-nebula


## References

1. SIMBAD
2. VizieR
3. Freebase Data Dumps. 2013
4. A RAVE investigation on Galactic open clusters
5. A CGPS look at the spiral structure of the outer Milky Way. I. Distances and velocities to star-forming regions
6. The orbits of open clusters in the Galaxy
7. Proper motions of the optically visible open clusters based on the UCAC4 catalog