Concept

Messier 26

Summary
Messier 26, also known as NGC 6694, is an open cluster of stars in the southern constellation of Scutum. It was discovered by Charles Messier in 1764. This 8th magnitude cluster is a challenge to find in ideal skies with typical binoculars, where it can be, with any modern minimum aperture device. It is south-southwest of the open cluster Messier 11 and is 14arcminute across. About 25 stars are visible in a telescope with a aperture. M26 spans a linear size of 22 light years across with a tidal radius of , and is at a distance of 5,160 light years from the Earth. The brightest star is of magnitude 11 and the age of this cluster has been calculated to be 85.3 million years. It includes one known spectroscopic binary system. An interesting feature of M26 is a region of low star density near t
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