Sh 2-17

Sh 2-17 is an emission nebula in the constellation Sagittarius. It is part of the Sharpless Catalog assembled by Stewart Sharpless. It contains the infrared cluster [DB2000] 58. It is estimated to contain about 12 stars, and may cause ionization within the nebula.^[3]

Right ascension17^h 46^m 12^s

Declination−28° 51′ 0″^[1]

Distance4,890^[2] ly

Apparent magnitude (V)15.33

Quick facts Emission nebula, Observation data: J2000 epoch ...

Sharpless 2-17

Emission nebula
H II region
As seen by the Legacy Survey
Observation data: J2000 epoch
Right ascension	17h 46m 12s
Declination	−28° 51′ 0″[1]
Distance	4,890[2] ly
Apparent magnitude (V)	15.33
Apparent diameter	84' x 63'
Constellation	Sagittarius
Physical characteristics
Radius	36 ly
Designations	RCW 138
See also: Lists of nebulae

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