Caldwell 78


This is Caldwell 78 (aka NGC 6541), a globular star cluster roughly 22,000 light-years from Earth. The cluster is bright enough that backyard stargazers in the Southern Hemisphere can usually spot it with binoculars.

Image Credits: NASA / ESA/ G. Piotto (Università degli Studi di Padova)
Processing: Gladys Kober (NASA / Catholic University of America)

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