Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7419
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Cave Nebula, Tim Song Jones
Cave Nebula
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Cave Nebula

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Cave Nebula, Tim Song Jones
Cave Nebula
Powered byPixInsight

Cave Nebula

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Description

The Cave nebula (SH2 155) is in Cepheus. Sh2-155 (also designated Sharpless 155 or S155) is a diffuse nebula within a larger nebula complex containing emission, reflection, and dark nebulosity. Sh2-155 is an ionized HII region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth. I shot this in the Ancient Bristlecone Pine forest in the White mountains of eastern California, July 2023. The sky was almost perfect (except for the mosquitoes which usually don't occur up there).

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Cave Nebula, Tim Song Jones