Choosing Binoculars for Observing the Night Sky

Binoculars are a valuable tool for observing the night sky. While there are many merits to their use, you may find yourself disappointed with a binocular view of the sky if you don’t know what kind of binoculars are best suited for this use, and how to properly use them.

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A Favorite Summer Constellation

A regular feature of our Nightly Observing Program (NOP) at the Kitt Peak Visitor Center is the use of planispheres and binoculars to introduce guests to the night sky.  When using the planispheres, guest learn to identify bright stars, bright deep-sky objects, and of course constellations.  When I help guests

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Twinkle, Twinkle, Little Star

“Twinkle, twinkle, little star,” is a lullaby many of us remember from our childhood. Twinkling stars may be a fanciful subject for a child’s lullaby or entrancing to look at, but astronomers despise them. It seriously affects the quality of their observations. What Causes Twinkling Stars? Twinkling stars occur because

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