Westerhout 31
| Emission nebula | |
|---|---|
| H II region | |
Artist's impression of SGR 1806-20, a magnetar located in 1806-20 cluster | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 10m 28.6s |
| Declination | −19° 55′ 51″ |
| Distance | 11,000–15,000 ly (3,300–4,500 pc) |
| Constellation | Sagittarius |
| Notable features | massive H II region Star-forming regions |
| Designations | GRS G010.47 +00.03 |
Westerhout 31, also known as W31, is a complex of star formation regions of the Milky Way located in the constellation of Sagittarius.