Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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Sh2-155 - The Cave Nebula (RGBHO), Rainer Raupach
Sh2-155 - The Cave Nebula (RGBHO)
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Sh2-155 - The Cave Nebula (RGBHO)

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Sh2-155 - The Cave Nebula (RGBHO), Rainer Raupach
Sh2-155 - The Cave Nebula (RGBHO)
Powered byPixInsight

Sh2-155 - The Cave Nebula (RGBHO)

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Description

Sh2-155 (also C 9), the Cave Nebula, is a diffuse nebula in the constellation of Cepheus. The reflection nebula LBN 524 forms a beautiful color contrast against the Hα dominated emission nebula. OIII is pushed only moderately in order to maintain the visually expected appearance.

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Sh2-155 - The Cave Nebula (RGBHO), Rainer Raupach