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The Bubble Nebula
by Bob and Janice Fera
Officina Stellare RC-360AST 14" f/8 Ritchey Chretien Cassegrain
SBIG STL11000M CCD Camera
Astrodon Filters
HaRGB Composite
Ha:240 R:160 G:160 B:120 minutes
Sub-exposures: Ha:8x30m R:8x20m G:8x20m B:6x20m RGB binned 2x2
Stars: R:40 G:40 B:40
Star Sub-exposures: 8x5m each color Unbinned
Image acquired with CCDAutopilot
Processed in CCDstack, PixInsight LE and Adobe Photoshop
Taken August 10, 23, 24 2008 from Eagle Ridge Observatory, Foresthill, CA