Welcome to the MMT Observatory


Latest News

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  • Realuminization - Summer 2016

    Realuminization of the MMT's primary mirror has been deferred until summer 2016. Two factors guiding this decision were the state of the current coating and the status of a full-scale aluminizing test chamber being assembled at FLWO basecamp. Read more.

  • Mt. Hopkins Rd

    UniSource Energy Services will be on the road Thursday, May 28, near km 10. They should not be blocking the road, but use caution around them. Check back here or call 520-879-4422 for daily recorded updates.

  • MMIRS Data Reduction Pipeline

    The MMT and Magellan Infrared Spectrograph (MMIRS) will be returning to the MMTO from Magellan this June. Observers interested in proposing for its spectroscopic capabilities may find this new paper of interest, which lists suggested observing guidelines and describes the publicly available data reduction pipeline.