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Sh 2-140

Nebula
Sh 2-140 as imaged by the Nicholas U. Mayall Telescope
Observation data: J2000.0 epoch
Right ascension	22 19 21.46
Declination	63° 14' 53.68"
Distance	3,000 ly   (900 pc)
Constellation	Cepheus
See also: Lists of nebulae

Sharpless 140 is an H II region and emission nebula in the Cepheus constellation, 3,000 light years from the Solar System. It is part of the Cepheus bubble. The surface of the nebula's clouds primarily consists of polycyclic aromatic hydrocarbons.

See also

• Sharpless catalog

References

1. ^ "Stellar Nursery Sharpless 140". www.spitzer.caltech.edu. Retrieved 2024-09-07.
2. ^ info@noirlab.edu. "Emission Nebula Sh2-140". www.noirlab.edu. Retrieved 2024-09-07.
3. ^ "Sh 2-140". galaxymap.org. Retrieved 2024-09-07.
4. "APOD: 2004 May 20 - Sharpless 140". apod.nasa.gov. Retrieved 2024-09-07.

v t e Constellation of Cepheus
List of stars in Cepheus Cepheus in Chinese astronomy
Stars	Bayer α (Alderamin) β (Alfirk) γ (Errai) δ ε ζ η θ ι κ λ μ (Garnet Star) ν ξ (Kurhah) ο π ρ ρ Flamsteed 7 9 11 14 16 19 24 2 UMi Variable AR T V W RW VV VW WZ DH DO MY PV S SS ST U V354 V381 V419 HR 597 881 7955 8281 8442 8702 8748 8938 9038 HD 1 197911 204521 Other Gliese 809 WISE 0313+7807 WR 156 IRAS 23077+6707
Exoplanets γ Cephei Ab (Tadmor) TOI-1431 b
Star clusters	NGC 188 6939 7023 7129 7142 7160 7380 7419 7429 7510 Other Palomar 1
Nebulae	NGC NGC 40 NGC 7129 NGC 7139 NGC 7354 NGC 7538 NGC 7822 Other Seahorse Nebula Elephant's Trunk Nebula Ghost Nebula Gyulbudaghian's Nebula IC 1396 Iris Nebula L1157 S 155 SSTGFLS J222557+601148
Galaxies	NGC 2276 2300 6952 Other 3C 61.1 S5 0014+81 NVSS 2146+82 UGC 11861
Category

• H II regions
• Cepheus (constellation)
• Sharpless objects