\begin{table}%t1
\caption{\label{tab:vltiobs}VLTI/MIDI observations of S~Ori.}
\small%\centering
\par
\begin{tabular}{lllrrlrllrrrr}
\hline\hline
Ep. & Date & Time  & JD & $\Phi_{\rm vis}$ & Conf. & $B$ & Disp. & BC & $B_{\rm p}$ & PA & Seeing & $\tau_0$ \\
    &      & UTC  & -2.4E6 &                     &       &  &Elem. &     & [m]   & [deg]& [\arcsec] & [msec] \\\hline
A   & 2004-12-31 & 02:43 & 53370.6 & 0.42 & UT3-UT4 & 62~m & Prism & {\tt HS} & 62.27 & --71.9 & 0.76 & 3.4 \\[1ex]
B   & 2005-02-21 & 02:37 & 53422.6 & 0.54 & UT2-UT4 & 89~m & Prism & {\tt HS} & 74.31 &  83.0 & 0.74 & 3.6 \\
B   & 2005-03-01 & 02:39 & 53430.6 & 0.56 & UT3-UT4 & 62~m & Prism & {\tt HS} & 41.65 & --55.6 & 0.62 & 3.6 \\
B   & 2005-03-03 & 00:59 & 53432.5 & 0.56 & UT2-UT4 & 89~m & Prism & {\tt HS} & 84.35 &  82.7 & 0.98 & 3.7 \\[1ex]
C   & 2005-11-12 & 08:57 & 53686.9 & 1.16 & UT1-UT4 &130~m & Prism & {\tt SP} &123.02 &  62.8 & 0.54 & 4.4 \\
C   & 2005-11-15 & 07:21 & 53689.8 & 1.16 & UT2-UT3 & 47~m & Prism & {\tt SP} & 46.26 &  43.9 & 0.61 & 2.9 \\[1ex]
D   & 2005-12-30 & 03:00 & 53734.6 & 1.27 & UT1-UT4 &130~m & Prism & {\tt SP} &123.89 &  59.4 & 1.12 & 2.8 \\\hline
\end{tabular}
\end{table}