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Gemini North February Laser Guide Star run cancelled, LGS unavailable in semester 17B.

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The Gemini North laser system has suffered a significant set back with a hardware and optics fault. Recovery of the system is unlikely and priority will go to commissioning the South Toptica laser, followed by the North Toptica laser. The February 2017 North LGS run is cancelled, and LGS will not be offered for semester 2017B regular programs at Gemini North. The queue coordinators are identifying LGS programs that can get useful science using a natural guide star or very good (IQ20) seeing conditions. PIs of such programs are encouraged to contact their support scientist for assistance converting their observations.

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