\begin{table}%t7
%\centering
\par
\caption{\label{repeated} Main results of the comparison of repeated
observations.}
\begin{tabular}{lcccc}
\hline\hline
Filter&Overlap&Nb. of&$\langle \Delta$mag$\rangle$&$RMS$ \\
 &surface (deg$^2$)&sources& & \\
 \hline
LW2 & 0.166 & 2793 & 0.008 & 0.21 \\
LW6 & 0.098 & 1974 & 0.005 & 0.22 \\
LW3 & 0.275 & 2244 & 0.009 & 0.23 \\
LW9 & 0.111 & 1250 & 0.007 & 0.28 \\
Total & 0.650 & 8261 & 0.003 & 0.23 \\
\hline
\end{tabular}
\end{table}