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Lowell Observatory

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Lowell Observatory

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Get ready to stargaze: Lowell Observatory in Flagstaff is reopening

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The Astronomy Discovery Center at Lowell Observatory | Opening in 2024

Total Lunar Eclipse | May 15, 2022 at Giovale Open Deck Observatory

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See Where Pluto was Discovered at Lowell Observatory

Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark in 1965. In 2011, the Observatory was named one of "The World's 100 Most Important Places" by TIME. It was at the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh.
  • History 

  • Lowell Discovery Telescope 

  • Current research 

  • Discoveries