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Seeing at the big observatories

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#1 CharlesW

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Posted 12 January 2013 - 12:09 AM

Whenver I need to reference seeing conditions in my area I consult the Clear Sky Charts. But, how does a big observatory determine seeing if they don't fire a laser into the sky?

#2 seryddwr

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Posted 16 January 2013 - 01:22 AM

One can measure seeing by taking images of stars.






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