UT_date    UT           ZRMS  ZD          AM          K_Seeing
02/12/2006 05:23:39     0.026 0.019831	  1.0001967  0.387296379
02/12/2006 08:28:35     0.048 0.014732	  1.0001086  0.76020056
02/12/2006 09:20:25     0.061 0.010890	  1.00005937  1.00488853