\begin{table}%t2
%\centering
\par
\caption{\label{table2} Calibrated SDSS magnitudes of (5201) Ferraz-Mello.}
\begin{tabular}{c c c c }
\hline\hline
UT (start)        & Filter  & Mag.        &  $\Delta t$   (h.)      \\
\hline
2007-05-24T04:40:49.1  & g    &  $19.69\pm0.04$         &   0.00           \\
2007-05-24T04:50:38.6  & r    &  $19.04\pm0.03$         &   0.07           \\
2007-05-24T04:45:17.4  & i    &  $18.65\pm0.04$         &   0.16           \\
2007-06-26T01:37:31.8  & z    &  $19.22\pm0.02$         &   0.00           \\
2007-06-26T02:35:55.8  & g    &  $20.39\pm0.09$         &   0.97           \\
2007-06-26T02:46:15.7  & i    &  $19.50\pm 0.09$        &   1.15           \\
2007-06-26T02:55:28.4  & r    &  $19.82\pm0.05$         &   1.30           \\
\hline
\end{tabular}
\end{table}