Plotted entries from OPSLOG files in CRIRES report DARKRON, plot 7 (data set med_par_ch7):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2012-02-05	55963.434105	CHIP3.INT1	2.12260364723756
2012-02-06	55964.351352	CHIP3.INT1	2.25571192197162
2012-02-07	55965.363533	CHIP3.INT1	2.18201743714347
2012-02-08	55966.362333	CHIP3.INT1	2.13494899073273
2012-02-09	55967.850451	CHIP3.INT1	2.02347276233396
2012-02-10	55968.437699	CHIP3.INT1	2.07179681877558