NGC 7635

The Bubble Nebula

(Click here for an H-alpha version)

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


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