Plotted entries from OPSLOG files in VIMOS report IFUDISP_HRo, plot 2, data set parQ1:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-19 54789.583793 0.196354267061303	parQ1
2008-11-20 54790.568157 0.197357143969894	parQ1
2008-11-21 54791.660053 0.197469219485678	parQ1
2008-11-22 54792.612165 0.19731193847345	parQ1