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Guiding Options

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The guiding is performed on the Gemini-North telescope side. Therefore, the guiding options are the same as for GMOS-N; i.e., two guiding options are available, the GMOS On-Instrument Wavefront Sensor (OIWFS) and the telescope's Peripheral Wavefront Sensors (PWFSs). It is strongly recommended that the GMOS OIWFS be used for all but non-sidereal objects. This is because there is significant flexure between GMOS and the PWFSs.



Gemini Observatory Participants