Nearby M7 star cluster stands out in a sea of … stars, farther away at our galaxy’s center

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M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of the Scorpion (Scorpius).

M7M7 contains about 100 stars in total, is about 200 million years old, spans 25 light-years across, and lies about 1000 light-years away.

The above deep image, taken last June from Hungary through a small telescope, combines over 60 two-minute exposures. … Also visible are a dark dust cloud and literally millions of unrelated stars towards the Galactic center.

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