UT_date    UT           ZRMS  ZD          AM          K_Seeing
08/18/2006 05:30:19     0.043 0.021067	  1.00022197  0.670054913
08/18/2006 06:29:00     0.031 0.015714	  1.0001235  0.465816349
08/18/2006 07:50:00     0.028 0.425412	  1.09785295  0.395382822
08/18/2006 10:07:31     0.030 0.374046	  1.07427931  0.430847496
08/18/2006 14:36:32     0.029 0.021374	  1.0002284  0.433814526
08/18/2006 14:48:49     0.025 0.506185	  1.14337909  0.343503535