\begin{table}%t2
%\centering
\par
\caption{Observations of 21 Lutetia. Times are those of mid  exposure on June 24, 2004 and  are not light-time corrected. Filter "$V$'' denotes an Apogee measurement; numbers denote the central wavelength (in $\mu$m) of the MIRSI filter used.
 \label{tab1}}
\begin{tabular}{c c c c}
\hline\hline
UT & Filter & Flux & $\sigma_{\rm Flux}$ \\
\hline
14:17 &  $V$   & 11.87 mag & 0.01 mag \\
14:19 & 11.6 & 12.88 Jy & 1.29 Jy \\
14:26 & 8.7  &  5.81 Jy & 0.58 Jy \\
14:34 & 18.4 &  17.1 Jy &  4.1 Jy \\
14:37 &  $V$   & 11.81 mag & 0.01 mag \\
\hline
\end{tabular}
\end{table}