Photographer Alan Dyer observes the star clusters Messier 7 and Messier 6 near the horizon above Montana’s Sweetgrass Hills—two of the deep-sky objects included in the Messier Marathon. Alan Dyer, ...
M31, the Andromeda Galaxy, and its satellite galaxies M32 (a hazy star just above-left of M31's center) and M110 (the oval structure below-left of M31's center). Photograph taken at Kopernik ...
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