Plotted entries from OPSLOG files in FORS1 report LSS_lambda_c, plot 1, data set parC1:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-10 54780.377841 5871.46826171875	parC1
2008-11-11 54781.394205 5871.60009765625	parC1
2008-11-12 54782.412039 5871.47998046875	parC1
2008-11-13 54783.397345 5871.3583984375	parC1
2008-11-14 54784.535240 5871.81396484375	parC1
2008-11-15 54785.350041 5871.76708984375	parC1
2008-11-16 54786.376720 5871.81494140625	parC1
2008-11-17 54787.368933 5871.52392578125	parC1
2008-11-18 54788.415399 5871.521484375	parC1
2008-11-19 54789.418713 5871.47705078125	parC1
2008-11-20 54790.450807 5871.38330078125	parC1
2008-11-21 54791.406399 5871.57666015625	parC1