# IC 4689
**Wikidata**: [Q1653351](https://www.wikidata.org/wiki/Q1653351)  
**Source**: https://4ort.xyz/entity/ic-4689


## References

1. SIMBAD
2. VizieR
3. [Source](http://haroldcorwin.net/rc3/rc39b.csv.gz)
4. Spectroscopic observations of Arp-Madore interacting galaxies - I. Pairs of comparably sized galaxies
5. The surface photometry catalogue of the ESO-Uppsala galaxies
6. The Two Micron All Sky Survey (2MASS)
7. Groups of Galaxies in the Two Micron All Sky Redshift Survey
8. Galaxy groups: a 2MASS catalog