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Upcoming Star Party!

Mark your calendars! Star parties return to the F.L. Whipple Observatory on Friday, December 15. The event will be held at the Visitors Center from 5:00-8:00pm. More details to follow soon!

Binospec Commissioning Update

Commissioning of the Binospec instrument on the telescope went well! It will continue in December, along with science program observations planned as well.

Revised November observing schedule

The revised November observing schedule can be found here.


November 17 - A Night Under the Stars

F.L. Whipple Observatory brings you A Night Under the Stars on Friday, Nov. 17, at the Historic Canoa Ranch. Join Ben Weiner, MMTO staff scientist, for a presentation at 5:00pm. Stargazing will follow starting at 6:00pm (weather permitting), courtesy of the Sonora Astronomical Society. The Ranch is located south of Tucson near Green Valley, following the Canoa Ranch Dr., exit 56, off I-19. A map and more details can be found here.

Mt. Hopkins Road Travel

Expect a busy Mt. Hopkins Road for a couple of weeks! Various vehicles and staff are traveling up and down the road with the arrival and assembly of Binospec equipment. Be sure to drive carefully and use radios to announce your location on the road.

White Dwarf Mergers

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

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.

Summer Tour Update

Summer tours are currently on hold due to road work scheduled for the Mt. Hopkins Road. We appreciate your patience while the needed maintenance is taking place. Current plans are to resume the tours in September. Updates will be posted here so check back!

Summer Shutdown Schedule

Summer shutdown began on Tuesday, July 25. The observatory will reopen on Tuesday, August 22.