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

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-19 54789.420427 1.72290961868074	parC2lm
2008-11-20 54790.452524 1.74175066574391	parC2lm
2008-11-20 54790.885002 1.77381178715213	parC2lm
2008-11-21 54791.397671 1.76045253830157	parC2lm
2008-11-21 54791.408206 1.73559633282963	parC2lm
2008-11-22 54792.510572 1.74493198774105	parC2lm
2008-11-23 54793.387228 1.75390015675688	parC2lm
2008-11-24 54794.396538 1.76623715361077	parC2lm
2008-11-25 54795.380674 1.76588359664923	parC2lm
2008-11-27 54797.376264 1.75390756534362	parC2lm
2008-11-27 54797.394252 1.76194957650616	parC2lm