\begin{table}%t4
%\centering
\par
\caption{\label{tab:clusters}General properties of the candidate galaxy clusters.}
\begin{tabular}{ccccc}
\hline\hline
Cluster name &  RA & Dec & $z_{\rm phot}$ & $N_{\rm gal}$ \\
   & (h, m, s)       & ($^{\circ}$, $^{\prime}$, $^{\prime \prime}$) & & \\
\hline
NSC~J090232+204358 & 09 02 32.7 & +20 43 57 & $0.075\pm 0.033$ & 39.2 \\
MaxBCG~ J223.97317+22.15620 & 14 55 53.5 & +22 09 22 & $0.262\pm 0.010$ & 18 \\
\hline
\end{tabular}
\end{table}