Sh 2-27
Emission nebula
From Wikipedia, the free encyclopedia
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.[5] The nebula is very faint, but very large in the sky. It is a portion of the Rho Ophiuchi cloud complex.
| Emission nebula | |
|---|---|
| H II region | |
The bow shock around Zeta Ophiuchi | |
| Observation data: J2000 epoch | |
| Right ascension | 16h 35m 56s |
| Declination | −12° 43′ 05″[1] |
| Distance | 555 ly |
| Apparent magnitude (V) | 17.3[2] |
| Apparent dimensions (V) | 10° x 15° [3] |
| Constellation | Ophiuchus[4] |
| Physical characteristics | |
| Radius | 78 ly |
| Dimensions | 480' x 480' |
| Designations | LBN 24, Gum 73 |
