European Southern Observatory New Technology Telescope

General :
Observations :
Operations :

DIMD Focussing

• Adjust wavelength positionning, running REMDST01 or BLMDST01 templates.
• Check that EMMI configuration panel is modified accordingly.
• Click Backup under File submenu.
• Run DIMDST04 ( if only grating) or DIMDST05(if echelle on red side )
  to measure defocussing at observing wavelengths:
  [ in BOB, INS.GRAT1 is red grating, INS.GRAT2 is blue ]
  
• Report the best focus temperature for each observing wavelength in the calibration log book.
• Leave the focus curve printer output on the wemmi keyboard.

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