Night Sky Highlights in October

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Here are some of the things to see in October:

  • 7 PM, southwestern sky – Venus and Saturn hanging above the horizon after sunset
  • 7:30 PM, southern sky – Mars above the southern horizon
  • 6:30 AM, eastern sky – Mercury appearing low above the eastern horizon before sunrise early in the month
  • 7 AM, eastern sky – Jupiter replaces Mercury in late October
  • 10 PM, southern sky – Pegasus constellation with the Great Square asterism, formed by Algenib, Scheat, Markab and Alpheratz, and 51 Pegasi, the first star similar to the Sun with a known extrasolar planet
  • 10 PM, eastern sky – Andromeda constellation with the bright star Alpheratz, which is part of the Great Square, M31, the famous Andromeda Galaxy, the closest spiral galaxy to the Milky Way and most distant deep sky object visible to the naked eye, and Andromeda’s companion galaxies M110 and M32
  • 1 AM, eastern sky – Orionid meteor shower peaking on the night of October 21 to 22

Related: October constellations