\begin{table}%t2
%\centering
\par
\caption{Log of spectroscopic observations with FORS1.
\label{spec-journal}}
\begin{tabular}{@{}lllc}
\hline\hline
mask & Exp.time & Date   & Effective seeing \\
     &    (hr)  & (2002) &    ($\arcsec$)   \\
\hline
mask1346A & 3.0 & July 10 & 1.1 \\
mask1346B & 3.0 & July 11 & 1.3 \\
mask1346C & 3.0 & July 12 & 1.4 \\
mask2138A & 3.0 & July 10 & 1.4 \\
mask2138B & 4.0 & July 10 & 1.4 \\
mask2138C & 3.0 & July 11 & 1.4 \\
mask2138D & 4.0 & July 11 & 1.1 \\
mask2138E & 5.5 & July 12 & 2.2 \\
\hline
\end{tabular}
\end{table}