\begin{table}%t1
%\centering
\par
\caption{Description of the
{\it HST}
%
data sets used in this paper. }
\par
\begin{tabular}{lcccl}
\hline
\hline
 INSTR &  DATE & $N \times$~EXPTIME & FILT  & PROGRAM (PI) \\
\hline
 ACS/WFC   & May 01 2006   &  20~s~$+$~5~$\times$~350~s           & $F606W$  &  10775 ( Sarajedini) \\
 ACS/WFC   & May 01 2006   &  20~s~$+$~5~$\times$~350~s           & $F814W$  &  10775 ( Sarajedini) \\
 & & & &  \\
 WFPC2     & Nov. 07 2007   & 10~$\times$~230~s                 & $F450W$  &  11233 ( Piotto) \\
 WFPC2     & Nov. 07 2007   & 5~$\times$~200~s~$+$~5~$\times$~230~s  & $F814W$  &  11233 ( Piotto) \\
\hline
\end{tabular}
%}
\label{tabdata}
\end{table}