Plotted entries from OPSLOG files in VIRCAM report IQ_Z_AVG, plot 2 (data set det_all):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS		det_ID     	values
====================================================
2014-12-23	57015.011483	DET1.CHIP1	1.45474577
2014-12-23	57015.011484	DET1.CHIP2	1.405495763
2014-12-23	57015.011485	DET1.CHIP3	1.378802061
2014-12-23	57015.011486	DET1.CHIP4	1.357471228
2014-12-23	57015.011487	DET1.CHIP5	1.413485408
2014-12-23	57015.011488	DET1.CHIP6	1.393642783
2014-12-23	57015.011489	DET1.CHIP7	1.385041714
2014-12-23	57015.011490	DET1.CHIP8	1.329076171
2014-12-23	57015.011491	DET1.CHIP9	1.394636631
2014-12-23	57015.011492	DET1.CHIP10	1.407677412
2014-12-23	57015.011493	DET1.CHIP11	1.366467714
2014-12-23	57015.011494	DET1.CHIP12	1.275901914
2014-12-23	57015.011495	DET1.CHIP13	1.332909584
2014-12-23	57015.011496	DET1.CHIP14	1.325073838
2014-12-23	57015.011497	DET1.CHIP15	1.282651544
2014-12-23	57015.011498	DET1.CHIP16	1.255766869