SH2-155 is a diffuse nebula in the constellation Cepheus. It is also known as the Cave Nebula. It constant both emission and reflection components as well as numerous dark nebula formations. This image captures the central region of the much larger nebula shown in widefield shots.

Imaging Camera: QSI640wsg
Imaging Scope: Celestron 9.25"Edge HD at f/7
Guide Camera: SX Lodestarx2
Mount: Avalon M-Uno Fast Reverse
Filters: Astrodon Gen II RGB, 5nm Ha
Exposure: 2 hours each RGB, 1 minute subs binnedx2, 6 hours Ha, 10 minute subs unbinned
Capture: APT
Processing: CCD Stack and PS CC
Date: 8/23/22 and 8/25/21
Sky conditions: below average seeing, bortle white skies, SQM 17.8 mag/arc-sec2
Location: My front driveway. Morristown, NJ