Sh 2-31
| Emission nebula | |
|---|---|
| H II region | |
Sh 2-31 (lower right) and Sh 2-32 (center) | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 09m 42s |
| Declination | 23° 59′ 17″ |
| Distance | 4570 ly (1500 pc) |
| Apparent magnitude (V) | 10.96 |
| Apparent dimensions (V) | 1.63° x 1.12° |
| Constellation | Sagittarius |
| Physical characteristics | |
| Radius | 11 ly |
| Designations | CED 154b, Gum 75, h 1996, IC 1274, LBN 33 |
Sh 2-31, also known by the designation IC 1274, is an emission nebula in the constellation Sagittarius. It is ionized by the stars HD 165921 and HD 166107. Sh 2-31 is located very close to the Lagoon Nebula.