Caldwell 55: Amateur Image vs. Hubble Image
Caldwell 55 (C55) is a nebula located some 1,400 light-years away in the constellation Aquarius. Also known as the Saturn Nebula and NGC 7009, Caldwell 55 holds a dying star at its heart. 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: Bruce Balick (University of Washington), Jason Alexander (University of Washington), Arsen Hajian (U.S. Naval Observatory), Yervant Terzian (Cornell University), Mario Perinotto (University of Florence, Italy), Patrizio Patriarchi (Arcetri Observatory, Italy), NASA/ESA
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https://science.nasa.gov/image-detail/amf-cd137d74-85e6-4f8e-a9ec-35f83921029a/
Image CreditAmateur Image: Photographed by and used with permission of K. Hartnett; Hubble Image: Bruce Balick (University of Washington), Jason Alexander (University of Washington), Arsen Hajian (U.S. Naval Observatory), Yervant Terzian (Cornell University), Mario Perinotto (University of Florence, Italy), Patrizio Patriarchi (Arcetri Observatory, Italy), NASA/ESA
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