Sh 2-27

Sharpless 2-27
Emission nebula
H II region
	The bow shock around Zeta Ophiuchi
Observation data: J2000 epoch
Right ascension	16h 35m 56s
Declination	−12° 43′ 05″
Distance	550 ly
Apparent dimensions (V)	10° x 15°
Constellation	Ophiuchus
Designations	LBN 24, Gum 73
	See also: Lists of nebulae

Last updated September 27, 2025

Sh 2-27 is an emission nebula in the constellation Ophiuchus. It is extended around the region containing the star Zeta Ophiuchi. The star produces a notable bow shock.^[4] The nebula is very faint, but very large in the sky. It is a portion of the Rho Ophiuchi cloud complex.

References

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[1] "SIMBAD query result".

[2] "Sharpless 27".

[3] "CCD Images of the Sharpless Catalog".

[4] "Sh 2-27".

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[4]

v t e Gum Catalog
Colin Stanley Gum
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See also: Gum Nebula