\begin{table}%T1
\caption{\label{tb:photo}Summary of our photometric observations. Magnitudes are
referred to the complex afterglow + host. Errors are 1-$\sigma$. $^*$:~average of two measurements obtained on Jan.~9.3 and~10.2.}
%%\centering
\par
\begin{tabular}{llll}
\hline\hline
  Start UT         & Exp. time & Seeing      & $R$ magnitude   \\ \hline
  2003 Jan. 9.7$^*$ & 63 min   & 1.1\arcsec  & $24.48\pm0.18$  \\
  2003 Jan. 15.33   & 15 min   & 0.8\arcsec  & $25.07\pm0.15$  \\
  2003 Feb. 28.02   & 75 min   & 0.8\arcsec  & $25.13\pm0.12$  \\
  2003 Mar. 9.01    & 50 min   & 1.25\arcsec & $25.35\pm0.17$  \\ \hline
\end{tabular}
\end{table}