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Left: amateur image, right: Hubble image of the elliptical galaxy Caldwell 24.

Caldwell 24: Amateur Image vs. Hubble Image

Caldwell 24 (C24) is an elliptical galaxy located some 230 million light-years away in the constellation Perseus. Caldwell 24 is one of the closest giant elliptical galaxies to Earth. 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: Amateur Image: Photographed by and used with permission of K. Hartnett; Hubble Image: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration; Acknowledgment: A. Fabian (Institute of Astronomy, University of Cambridge, UK)
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