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

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-24 54794.369457 0.480813219008403	parC2lm
2008-11-24 54794.380013 0.488028064549309	parC2lm
2008-11-25 54795.387621 0.563262486228816	parC2lm
2008-11-26 54796.405351 0.546792195715438	parC2lm
2008-11-27 54797.370226 0.523047473689889	parC2lm
2008-11-27 54797.371576 0.629043902622014	parC2lm
2008-11-28 54798.378642 0.533775355664505	parC2lm
2008-11-30 54800.377693 0.553665678074196	parC2lm
2008-12-01 54801.379165 0.541811590373245	parC2lm
2008-12-03 54803.374583 0.571391528120589	parC2lm
2008-12-03 54803.385209 0.402463832041955	parC2lm