UT_date    UT           ZRMS  ZD          AM          K_Seeing
04/11/2006 05:07:46     0.051 0.033688	  1.00056767  0.815183997
04/11/2006 06:15:50     0.039 0.324598	  1.0550983  0.580980957
04/11/2006 08:06:32     0.026 0.343791	  1.06215334  0.373578906
04/11/2006 09:44:32     0.082 0.951801	  1.72349262  1.02800441
04/11/2006 09:47:48     0.045 0.023247	  1.00027025  0.705770016