Plotted entries from OPSLOG files in VIMOS report IFUFLAT, plot 4, data set parQ4:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-19 54789.583793 900693.3307703	parQ4
2008-11-20 54790.568157 950049.350260091	parQ4
2008-11-21 54791.660053 981759.474468857	parQ4
2008-11-22 54792.612165 980825.02473134	parQ4