The Cave Nebula
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Sh2-155 - The Cave Nebula - Emission Nebula in Cepheus
Image Processing by Bob Fera
Data acquisition by Bob Fera and Steve Mandel
PlaneWave CDK-17 17" f/6.8 Corrected Dall-Kirkham Cassegrain
PlaneWave L-500 Mount
Moravian C3-61000 Pro Camera
Chroma Filters
LHaOiiiRGB Composite - L:300 Ha:600 Oiii:600 R:360 G:360 B:360 minutes
Sub Exposures: L:20x15min Ha:20x30min Oiii:20x30min R:20x15min,20x3min G:21x15min,20x3min B:20x15min,20x3min Unbinned
Image acquired with Voyager and N.I.N.A.
Processed in Pixinsight and Adobe Photoshop
Taken August,September 2025 from Deep Space Remote Observatories - North at Sierra Remote Observatories, CA