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MMT Primary Mirror Coating Removed for Re-aluminization

The 6.5-meter MMT primary mirror was stripped of its aluminum coating on July 23, 2010, in preparation for re-aluminization.

MMT Telescope Operator featured on NPR's "All Things Considered" 6/4/10

MMT operator Mike Alegria is featured in an “unusual job” segment on National Public Radio’s “All Things Considered” this afternoon.

Movies of the new building going up...

We are moving along quickly with construction of the building extension at the summit.

*Update* - The Second MMT Science Symposium

The MMT Observatory and MMTO Council are pleased to announce the Second MMT Science Symposium.

New Red Channel Fully Depleted Detector

A new fully depleted detector for the Red Channel Spectrograph was commissioned in November 2009. 

Instrument Status 2010B

A short summary of the status of each MMT instrument is given below. If you would like any further information regarding any of the instrumentation please contact Morag Hastie (mhastie@mmto).

Applying for Observing 2010B

Proposal Deadlines for Trimester 2010B (1st May 2010 – 19th July 2010)

Construction at the MMT

Construction began on January 11, 2010 on an Instrument Repair Facility at the MMT summit.  It is scheduled to be completed by summer.  Construction is taking place during the weekdays between 8:00am – 5:00pm.  There are no plans for work to be done on weekends.  The construction site is cordoned off with cones or is within a chained-off area. 

MMT December Observing Statistics

Percentage of time scheduled for observing               90.0
Percentage of time scheduled for engineering            10.0
Percentage of time scheduled for sec/instr change       0.0

MMTO is looking for an Adaptive Optics Scientist/Engineer

The MMT Observatory (MMTO), a joint venture of the Smithsonian Institution and the University of Arizona, is seeking a Scientist or Engineer with working knowledge of astronomical adaptive optics to join the MMT team. The MMTO operates a 6.5-meter telescope at the summit of Mt. Hopkins (elevation 8550 feet), some 40 miles south of Tucson in southern Arizona. Additional details regarding the telescope and associated instrumentation may be found via the web site: