UT_date    UT           ZRMS  ZD          AM          K_Seeing
12/22/2007 04:13:23     0.017 0.061158	  1.00187302  0.261433214
12/22/2007 05:00:42     0.026 0.012147	  1.00007379  0.387324929
12/22/2007 05:03:31     0.023 0.023788	  1.000283  0.342760503
12/22/2007 06:15:28     0.029 0.026992	  1.00036442  0.43377915