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Left: amateur image, right: Hubble image of the open cluster Messier 11. The amateur image shows a grouping of stars against a dark grey background. The Hubble image reveals blue-white, orange, white, and yellow stars against a black background.

Messier 11: Amateur Image vs. Hubble Image

Messier 11 (M11) is an open star cluster located some 6,200 light-years away in the constellation Scutum. This cluster's brightest stars form a rough V-shape that resembles a flock of migrating waterfowl, giving it the common name of Wild Duck Cluster. 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: ESA/Hubble & NASA, P. Dobbie et al.
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