# NGC 663

> open cluster in the constellation Cassiopeia

**Wikidata**: [Q825894](https://www.wikidata.org/wiki/Q825894)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_663)  
**Source**: https://4ort.xyz/entity/ngc-663


## References

1. SIMBAD
2. VizieR
3. [Source](http://cseligman.com/text/atlas/ngc6a.htm#663)
4. On Structural Properties of Open Galactic Clusters and their Spatial Distribution. Catalog of Open Galactic Clusters
5. A Catalogue of Star Clusters shown on Franklin-Adams Chart Plates
6. Freebase Data Dumps. 2013
7. A RAVE investigation on Galactic open clusters
8. New catalogue of optically visible open clusters and candidates
9. The orbits of open clusters in the Galaxy
10. Proper motions of the optically visible open clusters based on the UCAC4 catalog