Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  HD216629  ·  HD216658  ·  HD216711  ·  HD216898  ·  HD217035  ·  HD217061  ·  HD217086  ·  HD217099  ·  HD217312  ·  HD217463  ·  LBN 524  ·  LBN 527  ·  LBN 529  ·  PK110+01.1  ·  Sh2-155
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Cave nebula Caldwell 9 (SH 2-155), Nicolas GENTY
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Cave nebula Caldwell 9 (SH 2-155)

Getting plate-solving status, please wait...
Cave nebula Caldwell 9 (SH 2-155), Nicolas GENTY
Powered byPixInsight

Cave nebula Caldwell 9 (SH 2-155)

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Description

Sh2-155 (also designated Caldwell 9, Sharpless 155 or S155) is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. It is widely known as the Cave Nebula, though that name was applied earlier to Ced 201, a different nebula in Cepheus. Sh2-155 is an ionized H II region with ongoing star formation activity,[1] at an estimated distance of 725 parsecs (2400 light-years) from Earth

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    Cave nebula Caldwell 9 (SH 2-155), Nicolas GENTY
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  • Cave nebula Caldwell 9 (SH 2-155), Nicolas GENTY
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Cave nebula Caldwell 9 (SH 2-155), Nicolas GENTY