\begin{table}%t3
%\centering
\par
\caption{\label{tab:mag_limits} Number of stellar sources ($N_{\rm S}$) 
detected in both filters above the 3$\sigma$ level and limiting magnitudes in each filter 
at 10$\sigma$, 5$\sigma$, 3$\sigma$ and 95\% completeness level.}
\begin{tabular}{cccccccc}
\hline\hline
   & $N_{\rm S}$ & Filter & Mag Sat. &  Mag 10$\sigma$ &  Mag 5$\sigma$ &  Mag 3$\sigma$ & Mag ($C=95$\%) \\
%\noalign{\medskip} 
\hline
Long Time Exposures  & 26~524 & $R$ & 16.00 & 22.90 & 23.87 & 24.49  & 22.30 \\
                     &       & $Z$ & 14.50 & 21.12 & 22.11 & 22.73  & 19.20 \\
\par
%\noalign{\medskip}
\hline
Short Time Exposures & 3709  & $R$ & 12.50 & 19.82 & 20.84  & 21.50 & 18.30 \\
                     &       & $Z$ & 10.20 & 18.61 & 19.41  & 19.91 & 16.10 \\
%\noalign{\medskip} 
\hline
\end{tabular}
\end{table}