NGC
7635
The
Bubble Nebula
(Click here for an H-alpha version)
The
Bubble Nebula
by
Bob and Janice Fera
A&M
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
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