Plotted entries from OPSLOG files in UVES report ECH_RESOLUTION_DHC, plot 4 (data set psRvsSlitB_P_1):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-01-30	55957.340180 0.4 81745.3607
2012-01-31	55958.264925 0.4 81980.1107
2012-02-01	55959.419127 0.4 81785.0235
2012-02-02	55960.441575 0.4 81592.7317
2012-02-02	55960.472286 1 50729.2737
2012-02-03	55961.439107 0.4 81586.0233
2012-02-03	55961.460956 0.8 59806.8457
2012-02-04	55962.430927 0.4 81665.5867
2012-02-05	55963.458906 0.4 81462.5169
2012-02-06	55964.379135 0.4 81575.3208
2012-02-07	55965.379295 0.4 81928.7965
2012-02-08	55966.374558 0.4 81771.935
2012-02-09	55967.383488 0.4 81412.7826
2012-02-09	55967.414209 1 50583.7584

Plotted entries from OPSLOG files in UVES report ECH_RESOLUTION_DHC, plot 4 (data set psRvsSlitB_P_2):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-01-30	55957.340180 0.4 81745.3607
2012-01-31	55958.264925 0.4 81980.1107
2012-02-01	55959.419127 0.4 81785.0235
2012-02-02	55960.441575 0.4 81592.7317
2012-02-02	55960.472286 1 50729.2737
2012-02-03	55961.439107 0.4 81586.0233
2012-02-03	55961.460956 0.8 59806.8457
2012-02-04	55962.430927 0.4 81665.5867
2012-02-05	55963.458906 0.4 81462.5169
2012-02-06	55964.379135 0.4 81575.3208
2012-02-07	55965.379295 0.4 81928.7965
2012-02-08	55966.374558 0.4 81771.935
2012-02-09	55967.383488 0.4 81412.7826
2012-02-09	55967.414209 1 50583.7584