SEE SUMMER'S BEST Messier objects.

FEATURES GLO:ast/01aug21:46n1.jpg PHOTO (COLOR): M16, the Eagle Nebula, is home to the famed "Pillars of Creation" (at center). DAN CROWSON gl GLO:ast/01aug21:49n2.jpg PHOTO (COLOR): The Dumbbell Nebula was the first planetary nebula that Charles Messier cataloged. The fact that M73 - a grouping of four stars - is a Messier object shows how primitive Charles Messier's telescope was. Back we go to Sagittarius for the Omega Nebula (M17), also known as the Swan Nebula, the Checkmark Nebula, and the Horseshoe Nebula. [Extracted from the article]
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