Welcome to the MMT Observatory


Latest News

  • Click here for more MMTO news and highlights
  • Revised - MMTO Observing Schedule

    The revised observing schedule for October can be found here.

  • Mt. Hopkins Road Work

    Grading of the road will continue on October 10, 11, and 12 between 9:00am and 3:00pm each day. Please coordinate via radios when driving on the road those days.

  • Binospec Instrument

    Binospec will soon be on its way to the MMTO! Current plans are for it to arrive October 13-14. Commissioning will take place in November and December. We look forward to its addition to our suite of instruments!

  • White Dwarf Mergers

    Read about new developments regarding merging white dwarfs that were first discovered from observations taken at the MMTO.