Plotted entries from OPSLOG files in FORS1 report BIAS_struct_raw, plot 4, data set parC2lm:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-19 54789.420427 0.558222891757234	parC2lm
2008-11-20 54790.452524 0.468794227489953	parC2lm
2008-11-20 54790.885002 0.53584102986495	parC2lm
2008-11-21 54791.397671 0.630136894006067	parC2lm
2008-11-21 54791.408206 0.485063773188198	parC2lm
2008-11-22 54792.510572 0.522758650082004	parC2lm
2008-11-23 54793.387228 0.630019267856882	parC2lm
2008-11-24 54794.396538 0.515655274385097	parC2lm
2008-11-25 54795.380674 0.420116670943402	parC2lm
2008-11-27 54797.376264 0.599910248699786	parC2lm
2008-11-27 54797.394252 0.445578793975558	parC2lm