Copyright © 2007 Larry Phillips

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Bubble Nebula in the constellation Cassiopeia

Cataloged as NGC 7635

Diffuse Nebula or Supernova Remnant

Distance: 3810 Light years, 6 to 10 light years across
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 130 EDT F8 using the .75X telecompressor
Mount: Losmandy G11 with Gemini Control with Advanced Telescope
                Systems portable pier
Images: 11 luminance @ 5 minutes each, 6 Red @ 5 minutes each,
                5 Green @ 5 minutes each, 4 Blue @ 5 minutes each for a
                total exposure time of 130 minutes
Date: September 2007
Software: Camera and guider control - CCDSoft, Calibration and stacking, and Creation of color image - CCDStack,further processing in
                Photoshop CS2