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Emission nebula
Sharpless 2-19
Emission nebula
Observation data: J2000 epoch
Right ascension17h 49m 24s
Declination−29° 46′ 13″[1]
Distance4,890 ly   (1500 pc)
Apparent dimensions (V)12'[2]
ConstellationSagittarius
Physical characteristics
Radius17[3] ly
DesignationsRCW 140, LBN 2
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.[4]

Ruprecht 131 appears smaller than the nebula, with an apparent size of only 7' compared to the nebula's 12'.[5]


References

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