Sh2-155
The Cave Nebula
Sh2-155 - The Cave Nebula in Cepheus
by
Bob and Janice Fera
Officina
Stellare RC-360AST 14" f/8 Ritchey Chretien Cassegrain
with two-element field flattener
Apogee Alta U16M CCD Camera
Astrodon
Filters
LRGB
Composite - 240:90:90:90 minutes
L:12x20m
R:6x15m G:6x15m B:6x15m
Image
acquired with CCDAutopilot
Processed
in CCDstack and Adobe Photoshop
Taken
July 27-28, 2011 from Eagle Ridge Observatory, Foresthill, CA
Best viewed with a color managed browser such as Firefox 3.6 or higher
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