\begin{table}%t1
\caption{Journal of observations.}\label{t:journal}
%\centering
\small
\begin{tabular}{lccccc}
\hline\hline
Fiber & Date & Time & Exp. time & Seeing & Airmass \\ 
configuration & & (UT) & (s) & (arcsec) &         \\
\hline
\#1 & 2004-07-06 & 04:21:42 & 5300 & 1.59 & 1.040--1.174 \\
 & 2004-07-11 & 02:48:19 & 5300 & 1.35 & 1.029--1.052 \\ 
 & 2004-07-11 & 04:19:18 & 5300 & 0.91 & 1.055--1.221   \\ 
\#2 & 2004-07-17 & 05:18:20 & 5300 & 0.69 & 1.202--1.605 \\ 
 & 2004-07-26 & 03:39:54 & 5300 & 1.04 & 1.077--1.282 \\ 
\hline
\end{tabular}
\end{table}