Plotted entries from OPSLOG files in FORS1 report BIAS_struct_raw, plot 1, data set parC1hm:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-19 54789.405851 3.29311824330797	parC1hm
2008-11-20 54790.402879 3.35878725703205	parC1hm
2008-11-21 54791.398897 3.32162880810859	parC1hm
2008-11-21 54791.414684 3.35883898045747	parC1hm
2008-11-22 54792.517168 3.44761666366529	parC1hm
2008-11-23 54793.394450 3.33118346011439	parC1hm
2008-11-24 54794.397766 3.28169533936984	parC1hm
2008-11-24 54794.412266 3.28036717066866	parC1hm
2008-11-26 54796.394837 3.28602831633943	parC1hm
2008-11-27 54797.377491 3.39442744824456	parC1hm
2008-11-27 54797.406517 3.45661602730833	parC1hm
2008-11-29 54799.423734 3.52337518432023	parC1hm