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Left: amateur image, right: Hubble image of the globular cluster Messier 13. Both images reveal a sphere of stars. The amateur image shows a reddish-pink sphere dotted with white stars that are concentrated at image center. The Hubble images reveals a swarm of stars in colors of white, blue, and yellow. The Hubble image also resolves stars at the center of the globular cluster.

Messier 13: Amateur Image vs. Hubble Image

Messier 13 (M13) is a globular star cluster located some 25,000 light-years away in the constellation Hercules. The left image was taken with an 8-inch Schmidt-Cassegrain telescope using a 0.63x focal reducer and a DSLR Camera. The right image was taken by NASA’s Hubble Space Telescope.

Image Credit: Photographed by and used with permission of K. Hartnett; Hubble Image: ESA/Hubble and NASA
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Image CreditPhotographed by and used with permission of K. Hartnett; Hubble Image: ESA/Hubble and NASA
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