Usage

domeflat tarid= logid= [low=] [high=] [sleep=]

This procedure:

• Makes sure slit is closed, mirror open, dome lights off
• Turns on the GWS lights
• Points telescope to GWS
• For each PictureID it takes an image
  • uses ExposureTime, Binning, Amplifier and Filter
  • focusses telscope
  • writes FITS file with detailed header canonical name
  • sets IMAGETYP to 'FLAT'
• Turns off lights

high= sets the level of the high intensity lamp (default: 5000). low= sets the level of the low intensity lamp (default: 0). NOTE: if you want the low lights only, remember to set high=0 too. sleep= sets how long the lights will be on before taking images (default: 1 second).

The current lamp values can be determined by typing

> tx gws help

They are currently set to high=7000 low=5000.