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Observing

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  1. Altair, centerpiece of Aqulia, the Eagle, is the twelfth-brightest star in the night sky and one of the closest stars to Earth.

    The post Meet Altair, the Eagle’s Eye appeared first on Sky & Telescope.

  2. The waning gibbous Moon is in Gemini Nov. 16, with Pollux to its left and Castor above Pollux.

    The post This Week’s Sky at a Glance, November 15 – 23 appeared first on Sky & Telescope.

  3. In early evening, look high above the Moon for the Great Square of Pegasus through the moonlight. It's standing on one corner.

    The post This Week’s Sky at a Glance, November 8 – 16 appeared first on Sky & Telescope.

  4. The stars may seem eternal, but some of the most amazing sky sights are fleeting phenomena.

    The post Top Ten Ephemeral Sky Sights appeared first on Sky & Telescope.

  5. On Monday, November 11th, Mercury will pass directly in front of the Sun and look a tiny black dot silhouetted against the brilliant solar disk. The event, called a transit, occurs approximately 13 times a century.

    The post Don’t Miss Monday’s Rare Transit of Mercury appeared first on Sky & Telescope.