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Setting up the Instrument

This section deals with the the things you need to do after you arrive at the telescope but before you start observing. It details the procedures you need to go through and the systems you need to interact with to ensure the instrument produces high quality data. Most of these checks will have been carried out by your support astronomer.

• Checklist
• Detector
• Aperture masks
• Filters
• Grisms
• Rotation, tilt and focus
  • Rotation
  • Hartmann tests
  • Tilt
  • Focus
• The optical centre of LDSS
• Distortion
• Positional calibration of masks