Harvard University Astronomy Lab and Clay Telescope

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Spectrograph Startup and Shutdown Procedure

Spectrograph Startup

• Turn on power strip at the base of the telescope (you should hear fans turn on – if not, power may need to be reset or wrong cord is plugged in)
• Open Slide Mirror application (double click icon on Desktop)
• Click On Axis to allow light to fall on spectrograph
• In yellow TCS window, change focus to spectrograph focus (see focus tab)
• Open CCDOps (double click icon on Desktop)
• Establish link with spectrograph
  • Click Camera -> Establish COM Link
• Turn camera cooling on
  • Click Camera -> Setup
    • Under cooling make sure temperature regulation is set to active
    • Set setpoint to -20
• Once camera is cooled to set temperature, you can begin taking spectra. Click here if you need further instruction.

Spectrograph Shutdown

• In CCDOps, click Camera -> Shutdown
• Turn off power strip.
• Remove spectrograph from eyepiece port and return the eyepiece as you originally found it.
• Return focus to appropriate focus for the eyepiece in the Telescope.