UT_date    UT           ZRMS  ZD          AM          K_Seeing
09/11/2006 05:01:18     0.042 0.016281	  1.00013256  0.652381778
09/11/2006 06:02:27     0.036 0.017796	  1.00015843  0.548576891
09/11/2006 08:21:09     0.040 0.135421	  1.00924003  0.613951027
09/11/2006 11:04:37     0.048 0.026091	  1.00034046  0.760094821