How to take imaging flats with the internal lamp

  • Be sure the dome is dark

  • Set up spectrograph in Lucifer ONE Control Window

      Select filter

      Grating = Mirror
      Camera = N 3.75

      Mask in turnout

      Collimation Unit IN

      Turn on the HALO3 Lamp

  • Set # exposures, NDIT=1 in Lucifer Readout Control

  • Exposure times: 6 sec for J, 5sec for K, 4 sec for H

Last revised, Jill B, March 14, 2011

Topic revision: r2 - 14 Mar 2011, XiaohuiFan
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