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

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-24 54794.369457 0.524450786158786	parC1lm
2008-11-24 54794.380013 0.447443559837368	parC1lm
2008-11-25 54795.387621 0.458304005744838	parC1lm
2008-11-26 54796.405351 0.439402785162736	parC1lm
2008-11-27 54797.370226 0.620235355925449	parC1lm
2008-11-27 54797.371576 0.381937231458713	parC1lm
2008-11-28 54798.378642 0.	parC1lm
2008-11-30 54800.377693 0.502417677696342	parC1lm
2008-12-01 54801.379165 0.448103174850784	parC1lm
2008-12-03 54803.374583 0.613264950340651	parC1lm
2008-12-03 54803.385209 0.	parC1lm