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Guiding Options

Two guiding options are normally available, the F2 On-Instrument Wavefront Sensor (OIWFS) and the telescope's Peripheral Wavefront Sensors (PWFSs). The F2 OIWFS is currently not available for use, tests and probe mapping have to be performed after fixing the probe arm mechanism during the last May 2016 instrument shutdown.    


  • F2 OIWFS
  • Using F2 with the PWFS