Plotted entries from OPSLOG files in FORS2 report BIAS_fp_raw, plot 4:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-24 54794.369457 0.295132857913973	parC2lm
2008-11-24 54794.380013 0.286401440899475	parC2lm
2008-11-25 54795.387621 0.267904963400354	parC2lm
2008-11-26 54796.405351 0.310184035872537	parC2lm
2008-11-27 54797.370226 0.0649320945800278	parC2lm
2008-11-27 54797.371576 0.0525533712033596	parC2lm
2008-11-28 54798.378642 0.139001908661905	parC2lm
2008-11-30 54800.377693 0.357380175330559	parC2lm
2008-12-01 54801.379165 0.260559869319957	parC2lm
2008-12-03 54803.374583 0.	parC2lm
2008-12-03 54803.385209 0.279627617555312	parC2lm