Messier object #13, known better as the Great Cluster in the constellation Hercules – is the finest globular cluster in the northern half of the heavens. You can find it in a star pattern called the Keystone, a lopsided square within the constellation Hercules. This constellation is located between the two brightest stars of northern spring and summer, Vega and Arcturus. Amazingly, this cluster contains between 300,000 and 500,000 stars. This image was captured during March and April, 2025, and includes over 16 hours of exposure time.
Messier object #13, known better as the Great Cluster in the constellation Hercules – is the finest globular cluster in the northern half of the heavens. You can find it in a star pattern called the Keystone, a lopsided square within the constellation Hercules. This constellation is located between the two brightest stars of northern spring and summer, Vega and Arcturus. Amazingly, this cluster contains between 300,000 and 500,000 stars. This image was captured during March and April, 2025, and includes over 16 hours of exposure time.
