Plotted entries from OPSLOG files in CRIRES report DARKMED, plot 5 (data set med_par_ch5):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2012-02-05	55963.434105	CHIP1.INT1	8.41161620616913
2012-02-06	55964.351352	CHIP1.INT1	12.1590911547343
2012-02-07	55965.363533	CHIP1.INT1	10.1515151659648
2012-02-08	55966.362333	CHIP1.INT1	9.60353533426921
2012-02-09	55967.850451	CHIP1.INT1	6.14898975690206
2012-02-10	55968.437699	CHIP1.INT1	7.6338383158048