当然，M13恰当地被称为武仙座球状星团，北天最明亮的球状星团之一。
Of course, M13 is now modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky.
这座由群星组成的不夜城位于武仙座中，在冬季的夜空中很容易就可以找到，甚至在漆黑的夜里可以直接用肉眼观察到。
This glittering metropolis of stars is easily found in the winter sky in the constellation Hercules and can even be glimpsed with the unaided eye under dark skies.
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