... ESO . ... 25 November 2011 marks the 10th anniversary of NACO, the first adaptive optics system to be installed on the ESO Very Large Telescope (VLT). ... The instrument, developed by French and German consortia with the collaboration of ESO, was the first of a series of adaptive optics instruments that would be installed on the VLT Unit Telescopes. ... Looking into the next decade yet more advanced adaptive optics systems are under development for ESO's European Extremely Large Telescope, the E-ELT...