Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-155
Caldwell 9, Sh2-155, The Cave Nebula in HSO, Dave Sifry
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Caldwell 9, Sh2-155, The Cave Nebula in HSO

Caldwell 9, Sh2-155, The Cave Nebula in HSO, Dave Sifry
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Caldwell 9, Sh2-155, The Cave Nebula in HSO

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Description

HSO image of C9, the Cave Nebula taken over 4 nights during July 2021 from my backyard in San Francisco (Bortle 8 skies) with my Celestron 8SE, 0.63 Focal Reducer, 7nm Ha, Oiii, and Sii filters and ZWO ASIMC6200MM Pro.

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