# NGC 309

> galaxy

**Wikidata**: [Q599265](https://www.wikidata.org/wiki/Q599265)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_309)  
**Source**: https://4ort.xyz/entity/ngc-309


## References

1. SIMBAD
2. VizieR
3. Morphological differences between optical and infrared images of the spiral galaxy NGC309
4. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
5. The SDSS Photometric Catalog, Release 8
6. The HIPASS catalogue — III. Optical counterparts and isolated dark galaxies
7. The 6dF Galaxy Survey: final redshift release (DR3) and southern large-scale structures
8. The Two Micron All Sky Survey (2MASS)
9. The SDSS Photometric Catalog, Release 6
10. NIBLES: an H I census of stellar mass selected SDSS galaxies
11. The Survey for Ionization in Neutral Gas Galaxies. I. Description and Initial Results