The Sky Today on Sunday, August 17: Open cluster NGC 6910 shines near Gamma Cygni

Nights are slowly shortening, but even as summer begins to wind down, the Summer Triangle still flies high in the sky overnight. Formed by three bright stars, this large asterism is highest around local midnight, when its center — through which the plane of the Milky Way flows — is some 70° high above theContinue reading “The Sky Today on Sunday, August 17: Open cluster NGC 6910 shines near Gamma Cygni”
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