\begin{table}%t2
  \caption{\label{t_acq}Results of the Gaussian fits to the deconvolved MIDI acquisition
    images.}
  %\centering
\par
  \begin{tabular}{ccccccc}
    \hline\hline
      Date           & Beam & $N_{\rm obs}$ & Major & Minor & PA  \\
                     &      &               & [mas] & [mas] & [$\degr$] \\ \hline
      Feb.\ 27, 2005 & UT2  &  1            & 402   &  339  & 82  \\
      Feb.\ 28, 2005 & UT2  &  4            & 392   &  366  & 71  \\
      Mar.\ 03, 2005 & UT3  &  2            & 375   &  339  & 81  \\
      Mean values    &      &  7            & 389   &  354  & 75  \\\hline
  \end{tabular}
\end{table}