Plotted entries from OPSLOG files in UVES report CCDTEST_REDU_1x2_225kHz, plot 6, data set duty_cycle_P:

DATE       MJD-OBS      parameter values
==========================================================================
2008-01-20 54485.623151 5.27502e-04	duty_cycle_P
2008-01-21 54486.319423 5.27530e-04	duty_cycle_P
2008-01-22 54487.327143 5.27590e-04	duty_cycle_P
2008-01-23 54488.560574 5.27588e-04	duty_cycle_P
2008-01-24 54489.549720 5.27588e-04	duty_cycle_P
2008-01-25 54490.594163 5.27502e-04	duty_cycle_P
2008-01-26 54491.422181 5.27587e-04	duty_cycle_P
2008-01-27 54492.414496 5.27502e-04	duty_cycle_P
2008-01-28 54493.408039 5.27502e-04	duty_cycle_P
2008-01-29 54494.392484 5.27503e-04	duty_cycle_P
2008-01-30 54495.422821 5.27587e-04	duty_cycle_P
2008-01-31 54496.815303 5.27790e-04	duty_cycle_P
2008-02-01 54497.400145 5.27500e-04	duty_cycle_P
2008-02-01 54497.523675 5.27530e-04	duty_cycle_P
2008-02-02 54498.356273 5.27790e-04	duty_cycle_P
2008-02-03 54499.400465 4.53535e-04	duty_cycle_P
2008-02-04 54500.584481 5.27512e-04	duty_cycle_P
2008-02-05 54501.522394 5.27590e-04	duty_cycle_P
2008-02-06 54502.541747 5.27558e-04	duty_cycle_P
2008-02-07 54503.740244 5.27502e-04	duty_cycle_P
2008-02-08 54504.779408 5.27645e-04	duty_cycle_P
2008-02-09 54505.563890 5.27500e-04	duty_cycle_P
2008-02-10 54506.543100 5.27558e-04	duty_cycle_P
2008-02-11 54507.624277 5.27587e-04	duty_cycle_P
2008-02-12 54508.399831 5.27615e-04	duty_cycle_P
2008-02-13 54509.406144 5.27588e-04	duty_cycle_P
2008-02-14 54510.421900 5.27500e-04	duty_cycle_P
2008-02-15 54511.630943 5.27500e-04	duty_cycle_P
2008-02-15 54511.965407 5.27588e-04	duty_cycle_P
2008-02-17 54513.404656 5.27527e-04	duty_cycle_P
2008-02-18 54514.579956 5.27530e-04	duty_cycle_P
2008-02-19 54515.420983 5.27615e-04	duty_cycle_P