NGC 457 - The Owl Cluster - Open Cluster in Casseopeia
by Bob and Janice Fera
Officina
Stellare RC-360AST 14" f/8 Ritchey Chretien Cassegrain
with single-element Riccardi field flattener
SBIG STL11000M CCD Camera
Astrodon Filters
LRGB Composite - 30:30:30:30 minutes
L:6x5m
R:6x5m G:6x5m B:6x5m
All unbinned
Image acquired with CCDAutopilot
Processed in CCDstack, PixInsight LE and Adobe Photoshop
Taken September 15, 2009 from Eagle Ridge Observatory, Foresthill, CA