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M109 is a spiral galaxy in the constellation Ursa Major the Great Bear, and it is the brightest galaxy in the M109 Group, a collection of some 50 galaxies.

Spiral galaxy M109

M109 is a spiral galaxy in the constellation Ursa Major the Great Bear. It is the brightest galaxy in the M109 Group, a collection of some 50 galaxies. Other relatively bright members include NGC 3726, NGC 3953, and NGC 4088. The M109 Group lies approximately 60 million light-years away. (5.6-inch Telescope Engineering Company TEC-140 refractor at f/7, SBIG ST-8300M CCD camera, LRGB image with exposures of 540, 180, 180, and 180 minutes, respectively)

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