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Night Sky's Great Globular Cluster Visible In Telescopes

A fascinating deep sky object called the Great Globular

How often in looking through books

The Great

Messier was

We will come back to Messier in a

Celestial Chrysanthemum

To locate Messier 13, look toward

A keystone is the stone atop an

Actually, it was not Messier, but

Located at a distance of about

Messier first saw the cluster in

Today, if you use good binoculars

With a 4 to 6-inch

?In his Celestial Handbook, the

He Couldn?t Care Less

Many of the objects listed in Messier?s

Yet, there is absolutely no reason

But his catalogue, the by-product






Joe Rao serves as an instructor and guest lecturer at New

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Joe Rao
SPACE.COM SKYWATCHING COLUMNIST — Joe Rao serves as an instructor and guest lecturer at New York's Hayden Planetarium. He writes about astronomy for Natural History magazine, the Farmers' Almanac and other publications, and he is also an on-camera meteorologist for Verizon FiOS1 News in New York's lower Hudson Valley.