\begin{table}%t1
%\renewcommand{\arraystretch}{1.0}
%\centering
\par
\caption{Summary  of  the instrumental  configuration  used for  the
optical and near-IR observations  of~LBQS~1429-0053. The columns display respectively the date
of observation, the telescope and instrument used, the 
filter, the image
quality~($IQ$), and the total exposure time in kilo-seconds.\label{obs}  }
\begin{tabular}{lllll}
\hline\hline
Date           & Instrument & Filter & $IQ$ & Time  \\
\hline
2001~Jun.~08,15 & VLT-ISAAC  & $Ks$    & 0.64\arcsec     & 3.7\\
2001~Jun.~08    & VLT-ISAAC  & $J$      & 0.50\arcsec    & 2.6\\
2001~Apr.~18    & VLT-FORS1  & $R$     &   0.55\arcsec   & 3.6\\
1997~Dec.~30    & HST-NICMOS & $H$      & 0.16\arcsec     &  2.6\\ 
\hline
\end{tabular}
\end{table}