Sh 2-140
Emission nebula in the Cepheus constellation
From Wikipedia, the free encyclopedia
Sharpless 140 is an H II region and emission nebula in the Cepheus constellation,[2] 3,000 light years from the Solar System.[1] It is part of the Cepheus bubble.[3] The surface of the nebula's clouds primarily consists of polycyclic aromatic hydrocarbons.[4]
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Right ascension22 19 21.46[2]
Declination63° 14' 53.68"[2]
| Nebula | |
|---|---|
Sh 2-140 as imaged by the Nicholas U. Mayall Telescope | |
| Observation data: J2000.0[1] epoch | |
| Right ascension | 22 19 21.46[2] |
| Declination | 63° 14' 53.68"[2] |
| Distance | 3,000[1] ly (900[3] pc) |
| Constellation | Cepheus[1] |