\begin{table}%t1
%\centering
\par
\caption{Log of imaging observations with FORS1. The 5$\sigma$ detection limit
was measured in a circular aperture of~$3\arcsec$ diameter and is given in the
AB system.\label{journal}}
\begin{tabular}{@{}llll}
\hline\hline
filter & total exp. & combined seeing & 5$\sigma$ detection\\
       & time (hr)  & ($\arcsec$)     & limit              \\
\hline
{\it BRI~1346$-$0322} \\
narrow &  8.9    & 0.93  & 26.0 \\
$B$      &  2.5    & 1.02  & 26.5 \\
$R$      &  1.7    & 0.94  & 26.2 \\
{\it Q~2138$-$4427} \\
narrow &  10.0   &  0.96  & 26.5 \\
$B$      &  2.5    &  1.04  & 26.9 \\
$R$      &  1.7    &  0.93  & 26.5 \\
\hline
\end{tabular}
\end{table}