Plotted entries from OPSLOG files in FORS2 report CONAD, plot 3:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-26 54796.396974 1.21999027862104	parL1
2008-11-30 54800.390047 1.20817383037735	parL1
2008-12-04 54804.388686 1.22636910070912	parL1