Plotted entries from OPSLOG files in UVES report ECH_RESOLUTION_DHC, plot 6 (data set psRvsSlitU_P_1):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-01-30	55957.343070 0.3 107773.8429
2012-01-31	55958.267824 0.3 107298.2115
2012-02-01	55959.422019 0.3 107916.5096
2012-02-02	55960.444465 0.3 107750.523
2012-02-02	55960.581545 1 48251.2452
2012-02-03	55961.442008 0.3 108298.2027
2012-02-04	55962.433819 0.3 107942.0658
2012-02-04	55962.453407 1 48756.498
2012-02-04	55962.463184 0.3 108266.9372
2012-02-05	55963.461793 0.3 108345.4992
2012-02-06	55964.382030 0.3 106600.1498
2012-02-07	55965.382185 0.3 108132.5665
2012-02-08	55966.377440 0.3 108080.0359
2012-02-09	55967.386382 0.3 107641.9836
2012-02-09	55967.432125 1 48297.839

Plotted entries from OPSLOG files in UVES report ECH_RESOLUTION_DHC, plot 6 (data set psRvsSlitU_P_2):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-02-03	55961.469707 1 47220.2207