Welcome to the MMT Observatory

Latest News

  • Click here for more MMTO news and highlights
  • A Night Under the Stars - Jan. 20 - Cancelled

    Historic Hacienda de la Canoa will host A Night Under the Stars on Friday, January 20, starting at 5:00pm. See here for more details.

  • Mt. Hopkins Road Work - Jan. 16-20

    Equipment will be operating in the roadway at km 12.6 and km 16 this week. The road will be closed periodically while the equipment is operating. Please use radios to coordinate travel with the construction crew.

  • Wed., January 25 - Smithsonian Lectures on Astronomy

    The second lecture in this series is by Dr. Christian Drouet d'Aubigny of the University of Arizona. The title of his talk is "NASA's OSIRIS/REx Asteroid Sample Return Mission." Please join us at the Green Valley Recreation Center at 9:00am on Jan. 25! This series is free and open to the public.