M3, proteus5

M3

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Description

M3 is a globular cluster of stars in the northern constellation of Canes Venatici. It was discovered by Charles Messier on May 3, 1764, and resolved into stars by William Herschel around 1784.

This cluster is one of the largest and brightest, and is made up of around 500,000 stars. It is estimated to be 8 billion years old. It is located at a distance of about 33,900 light-years away from Earth.

Taken 5/1/13 with Skywatcher 80ED 6x400sec ISO 400

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M3, proteus5