CaNaPy is an experimental Laser Guide Star Adaptive Optics facility designed to demonstrate pre-compensation of a sodium LGS uplink beam, and to investigate wavefront sensing on the pre-compensated LGS using a Pyramid wavefront sensor. CaNaPy was installed at the 1m ESA OGS telescope at the Observatorio del Teide, Tenerife, in autumn 2023. Here we report on the commissioning phase activities followed by the first on-sky results on LGS uplink pre-compensation. CaNaPy is developed at ESO in collaboration with ESA, Durham University, IAC, INAF, and Microgate, with scientific collaborators from ANU and the RICAM institute.
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