Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
SH2 155  LRVB, TEAM_ARO
SH2 155  LRVB
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SH2 155 LRVB

Link to TIFF/FITS: https://astroaro.fr/
SH2 155  LRVB, TEAM_ARO
SH2 155  LRVB
Powered byPixInsight

SH2 155 LRVB

Link to TIFF/FITS: https://astroaro.fr/

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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.[2][3]

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SH2 155  LRVB, TEAM_ARO