Sh 2-19
| Emission nebula | |
|---|---|
| H II region | |
| Observation data: J2000 epoch | |
| Right ascension | 17h 49m 24s |
| Declination | −29° 46′ 13″ |
| Distance | 4,890 ly (1500 pc) |
| Apparent dimensions (V) | 12' |
| Constellation | Sagittarius |
| Physical characteristics | |
| Radius | 17 ly |
| Designations | RCW 140, LBN 2 |
Sh 2-19 is an emission nebula in the constellation Sagittarius. It is part of the Sharpless Catalog assembled by Stewart Sharpless. It lies next to Sh 2-18. It contains the open cluster Ruprecht 131.
Ruprecht 131 appears smaller than the nebula, with an apparent size of only 7' compared to the nebula's 12'.