| Emission nebula | |
|---|---|
| H II region | |
| Observation data: J2000 epoch | |
| Right ascension | 17h 49m 24s |
| Declination | −29° 46′ 13″ [1] |
| Distance | 1500 pc |
| Apparent dimensions (V) | 12' [2] |
| Constellation | Sagittarius |
| Designations | RCW 140 |
| See also: Lists of nebulae | |
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. [3]
Ruprecht 131 appears smaller than the nebula, with an apparent size of only 7' compared to the nebula's 12'. [4]
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