\begin{table}%t1
\caption{\label{TableObjects}List of objects detected in the first
data set (cf. Figs.~\ref{FigOriginal1} and~\ref{FigResult1}) with
eccentricity larger than~0.84, i.e. good arc candidates. Objects with an eccentricity larger than~0.9, i.e. objects~1 to~6 are very good candidates.}
%\centering
\par
\begin{tabular}{l|l|l|l}
\hline  \hline
&Mass center& Size (Pixel) & Eccentricity\\\hline
1  & (593, 749) & 768 & 0.978\\
2  & (188, 177) & 603 & 0.956\\ 
3  & (595, 899) & 143 & 0.943\\ 
4  & (794, 440) & 241 & 0.942\\ 
5  & (320, 144) & 196 & 0.928\\
6  & (842, 901) & 181 & 0.901\\
7  & (141, 328) &  27 & 0.876\\
8  & (130, 819) &  95 & 0.871\\
9  & (165, 61) &  52 & 0.866\\
10 & (223, 871) &  86 & 0.864\\ 
11 & (488, 103) &  65 & 0.854\\
12 & (151, 659) &  32 & 0.845\\ 
13 & (677, 260) &  44 & 0.840\\
\hline
\end{tabular}
\end{table}