Adaptive Optics system Adaptive Optics system
Posted by: mpcb

Video duration: 20 seconds
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The Adaptive Optics system "closing the loop" on this target (ADS 8939). Note how the binary nature of the star is completely hidden by the blurring of the atmosphere, but then after the loop is closed it is clearly a binary star. (Movie Credit: Guido Brusa, CAAO, Steward Observatory (gbrusa@as.arizona.e du) http://athene.as.ari zona.edu/~lclose/AOP RESS/)

Related: 8939, ads, ao, arizona, astronomy, binary, caao, instrument, obaserver, star, telescope