UT_date    UT           ZRMS  ZD          AM          K_Seeing
08/23/2006 05:03:54     0.046 0.069366	  1.00241065  0.722863257
08/23/2006 06:07:46     0.042 0.010065	  1.00005066  0.652413785
08/23/2006 08:36:55     0.018 0.561204	  1.18117452  0.248260289