Plotted entries from OPSLOG files in CRIRES report DARKMED, plot 6 (data set med_par_ch6):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2012-02-05	55963.434105	CHIP2.INT1	18.2424240112305
2012-02-06	55964.351352	CHIP2.INT1	26.9696966807048
2012-02-07	55965.363533	CHIP2.INT1	23.3712126413981
2012-02-08	55966.362333	CHIP2.INT1	21.6035353342692
2012-02-09	55967.850451	CHIP2.INT1	13.2929293314616
2012-02-10	55968.437699	CHIP2.INT1	17.3434346516927