Building the Mighty Keck Observatory – Credit: JPL

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In 1985, construction began on what was to become, and still remain, the biggest optical/infrared telescopes on Earth. Since first science in 1993 for Keck I and 1996 for Keck II, the two telescopes are the most scientifically productive telescopes on Earth, publishing more papers per telescope than any of its peers. 

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CIT observers will use MOSFIRE on Keck 1, and UH observers will use NIRC2-LGS on Keck 2 tonight. Sun set 06:45:00pm rise 05:57:00am
Our guests tonight are observers from CIT and UCI, using MOSFIRE and NIRC2-LGS respectively. Sun set 06:46:00pm rise 05:57:00am
Waiting for weather to improve. earth.nullschool.net
Tonight observers from NASA and NASA/UCB/KECK will use HIRESR and NIRSPEC/NIRC2-NGS/SSC+NIRSPEC. Sun set 06:47:00pm rise 05:57:00am
@BigDogStar @exploreplanets That would certainly be something.