Caldwell 22: Amateur Image vs. Hubble Image
Caldwell 22 (C22) is a nebula located some 2,500 light-years away in the constellation Andromeda. Also called NGC 7662, Caldwell 22 is nicknamed the Snowball Nebula or Blue Snowball Nebula. 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 A. Hajian (University of Waterloo)
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https://science.nasa.gov/image-detail/amf-a1164d4b-ddb6-4e77-b714-2ec4e901b8ba/
Image CreditAmateur Image: Photographed by and used with permission of K. Hartnett; Hubble Image: NASA, ESA, and A. Hajian (University of Waterloo)
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