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Brian Peterson | all galleries >> Galleries >> Messier Objects > M 107
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May 31, 2008

M 107

M107 is a rather small and dim globular cluster in the southern
part of Ophiuchus. It is unusually "loose" for a globular cluster,
and is characterized by dark, obscured regions rare in such an
object. This was perhaps the last object in the Messier list to be
discovered; it was first recorded by Messier's friend Pierre Mechain
in 1782. It was not added to the Messier list until 1947. M 107 is 21,000
light years away, and about 80 light years in diameter.

The short streak in the upper right part of the image is asteroid #67 ("Asia"),
moving through this part of the sky on the night the image was taken.

Image data:
Camera: Canon 350XT (modified)
Exposure: ISO 800, 5 minutes x 14
Telescope: 10" Schmidt-Newtonian, Baader coma corrector


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