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  1. Messier 13 - Wikipedia

    Messier 13, or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great Hercules Cluster), is a globular cluster …

  2. Messier 13 (The Hercules Cluster) - NASA Science

    Jun 16, 2025 · Like shiny flakes sparkling in a snow globe, over 100,000 stars whirl within the globular cluster M13, one of the brightest star clusters visible from the Northern Hemisphere.

  3. Meet M13, the Great Globular Cluster in Hercules - EarthSky

    Apr 30, 2025 · Two types of clusters M13 is a globular star cluster, a huge globe-shaped stellar city teeming with hundreds of thousands of stars.

  4. M13 - The Great Globular Cluster in Hercules | Astrophotography

    The Great Globular Cluster in Hercules known as M13 is often described as the finest globular cluster in the Northern Hemisphere. Cataloged as Messier 13 or NGC 6205, this impressive …

  5. Messier 13: Hercules Globular Cluster - Messier Objects

    Mar 31, 2015 · Messier 13 (M13), also known as the Great Globular Cluster in Hercules, is a globular cluster located in Hercules constellation. It is one of the brightest and best known …

  6. The Great Cluster of Hercules | Dyer Observatory | Vanderbilt …

    Jul 29, 2025 · M13 is one of just a few globular clusters that doesn’t require a telescope to be able to see. Under dark spring skies well away from city light pollution, the cluster appears to the …

  7. The crowded heart of the Hercules globular cluster - ESA/Hubble

    Jul 5, 2010 · This image, taken by the Advanced Camera for Surveys on the Hubble Space Telescope, shows the core of the great globular cluster Messier 13 and provides an …

  8. Hercules Cluster (Messier 13) - Deep⋆Sky Corner

    The period of a galactic orbit is about 200 million years. The diameter of the Hercules globular cluster is about 160 light years. The exact shape is somewhat uncertain because the globular …

  9. Hercules Globular Cluster - BBC Sky at Night Magazine

    Jan 21, 2025 · The Hercules Globular Cluster contains over 100,000 stars and is one of the brightest star clusters that can be seen in the northern hemisphere sky. It is about 25,000 …

  10. Messier 13 - M13 - Great Hercules Globular - AstroPixels

    Messier 13 or M13 (also designated NGC 6205) is a globular cluster in the constellation Hercules. It has an apparent visual magnitude of 5.8 and its angular diameter is 16.6 arc-minutes.