Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  68 A Cyg  ·  HD202710  ·  LBN 389  ·  LBN 390  ·  LBN 391  ·  LBN 393  ·  LBN 400  ·  LDN 946  ·  LDN 947  ·  LDN 948  ·  LDN 949  ·  LDN 952  ·  PK087-03.1  ·  Sh2-119  ·  The star 68 Cyg
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Sh2-119, AstroDivers
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Sh2-119, AstroDivers
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Description

2200 years ago, when the photons of light left this nebula to reach us, the Earth was definitely another place. The cosmic time machine, the telescope, this time was pointed towards the constellation Cygnus, more precisely towards Sh2-119. Gas and dust envelop the main star, 68-Cygni being mostly responsible for the ionization of the gas around it. This ionization makes the gases all colored at different wavelengths, from blue to green, passing through all shades of brown and orange. The dark nebula filaments above contrast strongly with both the glow of the nebula and the rich field full of stars in the background. These filaments are clouds containing mostly gas (hydrogen and helium) and a minimal fraction of dust (about 1%), responsible for the appearance of the cloud. These dusts, although minimal, absorb the light, making the nebula completely dark. Sh2-119 is a celestial signature of an ancient explosion that released gas and dust into the universe, forming new stars and planets. The silk effect of the nebula makes us think of a white colored pillow in a bed of stars, but, among that dust, stars and planets are forming in the most violent and destructive processes.
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Sh2-119, AstroDivers