Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  HD216711  ·  HD216898  ·  HD217035  ·  HD217061  ·  HD217086  ·  HD217099  ·  HD217312  ·  HD217463  ·  HD217657  ·  LBN 527  ·  LBN 529  ·  Sh2-155
Sh2-155 - The Cave Nebula, Jordan Marlière
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Sh2-155 - The Cave Nebula

Sh2-155 - The Cave Nebula, Jordan Marlière
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Sh2-155 - The Cave Nebula

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Description

The Cave Nebula (Sh2-155 or Caldwell 9) contains an emission nebula, a reflection nebula and a dark nebulosity, located in constellation Cepheus. It is distant from 2400 a.l. In this narrow-band image, one notices large zones of emission of ionized hydrogen showing regions of very active star formation that extend over this dusty zone.
HSS colorimetry.

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Sh2-155 - The Cave Nebula, Jordan Marlière