NGC 206 is a bright star cloud, classified as an OB association, at the northwestern edge of the Andromeda galaxy. It is the brightest cloud seen at the center of this image. It is comprised of over 300 bright Class O and B supergiant, many of which are younger than 10 million years.
Imaging Camera: QSI640wsg
Imaging Scope: Celestron 9.25"Edge HD at f/7
Guide Camera: SX Lodestarx2
Mount: Avalon M-Uno Fast Reverse
Filters: Astrodon Gen II LRGB
Exposure: 135 min Lum, 3 minute subs unbinned, 45 min each RGB, 1 minute subs unbinned
Capture: APT
Processing: CCD Stack and PS CC
Date: Sept 18, 2018
Sky conditions: average seeing, bortle 7/8 skies
Location: My front driveway. Morristown, NJ