UT_date    UT           ZRMS  ZD          AM          K_Seeing
01/07/2008 04:57:02     0.068 0.179512	  1.01633143  1.13087308
01/07/2008 05:00:01     0.045 0.176232	  1.01573241  0.699304044
01/07/2008 06:17:39     0.026 0.009029	  1.00004077  0.387332618