For one brief stretch each spring, amateur astronomers attempt one of backyard astronomy’s most ambitious challenges: spotting an entire catalog of deep-sky objects in a single night. Known as the ...

It’s been six months since astronomy clubs around the globe hosted events for the Messier marathon. The goal of this single-night observing challenge is to catch all 109 deep-sky objects in French ...

Charles Messier was a French comet-hunter who occasionally spied objects masquerading as comets due to their fuzzy appearance through his small scope. But they didn’t move against the starry ...

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Add Yahoo as a preferred source to see more of our stories on Google. Photographer Alan Dyer observes the star clusters Messier 7 and Messier 6 near the horizon above Montana’s Sweetgrass Hills—two of ...