The lamp flux [ ADU/sec] and the flat counts are monitored in NIR-arm
calibration flat frames. They are composed of ten raw
frames (five on-lamp frames and five off-lamp frames). 

</font><p><font size="2">Only frames with slit 0.9x11 are scored.<p>

For more information see the
<a href="http://www.eso.org/observing/dfo/quality/XSHOOTER/qc/flat_qc1.html">plot tutorial page</a>.