\begin{table}%t2
\caption{The observed mutual events. The dates
are in 2003 and UTC. "$nb$'' is the number of frames and $\Delta t$ is the integration time. J1 refers to Io, J2 to Europa, J3 to Ganymede, and J4 to Callisto.
2o3 is an occultation of J3 by J2.}
%\centering
\par
\begin{tabular}{cccccc}
\hline\hline
event &  date & midlight time &   flux   &   $nb$      & $\Delta t$ \\
 &  & h mn s        &   drop \%   &          &       s      \\
\hline
2o3 & 02/03 & 23 30 $50\pm1$ &    $23\pm 4 $  & 120 & 0.5 \\
4e3 & 02/18 & 20 48 $22\pm5$ &    $39\pm 3 $  & 99  & 1 \\
4o1 & 02/19 & 20 31 $11\pm5$ &    $52\pm 9 $  & 393 & 0.1 \\
4e1 & 02/19 & 22 15 $25\pm5$ &    $37\pm 4 $  & 154 & 1 \\
4e2 & 03/09 & 22 04 $25\pm2$ &    $26\pm 8 $  & 432 & 0.8 \\
3e4 & 03/15 & 22 14 $25\pm1$ &    $67\pm 9 $  & 419 & 0.5 \\
2e3 & 03/18 & 20 46 $46\pm1$ &    $35\pm 4 $  & 198 & 0.5 \\
1e3 & 03/24 & 22 01 $31\pm1$ &    $13\pm 4 $  & 353 & 0.5 \\
1e3 & 03/25 & 20 08 $12\pm1$ &    $11\pm 9 $  & 188 & 0.5 \\
2o3 & 03/25 & 20 47 $43\pm1$ &    $35\pm 15$   & 399 & 0.5 \\
2e3 & 03/26 & 00 09 $14\pm1$ &    $31\pm 5 $  & 300 & 1 \\
2e1 & 03/26 & 20 40 $35\pm1$ &    $12\pm 7 $  & 311 & 0.5 \\
3e2 & 04/19 & 00 17 $38\pm1$ &    $16\pm 12$   & 270 & 0.5 \\
\hline
\end{tabular}
\label{tab:phemus}
\end{table}