\begin{table}%t1
%\centering
\par
  \caption {\label{obslog}Log of the AMBER observations of \object{WR~118} ({\it top}) and
    the corresponding calibrators ({\it bottom}).  }
  \begin{tabular}{cccccc}
    \hline\hline
    \multicolumn{6}{c}{Object}\\
    \hline
    Date & Time & Name & $B_{\rm p}$\protect\footnote{Range of projected baselines.}    & PA\footnote{Position angle of the observation.}      & seeing\\
    &    [UTC]      &            & [m]        & [$\degr$] & [$\arcsec$]   \\
    \hline
    %	\multicolumn{6}{c}{{\rm WR~118}}\\ \hline
    2007-10-08    & 02:18:53  & \object{WR~118}& 9.2    & 74.3      & 0.61\\
    2008-03-28    & 08:43:43  & \object{WR~118}&13.4--40.2    & 61.7      & 0.83\\
    2008-03-31    & 06:51:05  & \object{WR~118}& 9.6--28.8    & 42.6      & 0.73\\
    2008-03-31    & 07:09:33  & \object{WR~118}&10.3--32.0    & 47.6      & 0.86\\
    \hline
    \multicolumn{6}{c}{ calibrators}\\
    \hline
    Date& Time &  HD        &  UD\protect\footnote{Diameter taken from \citet{charm2}.}        &  spectral &  seeing\\
    &    [UTC]      &  number    & [mas]     & type\protect\footnote{From Simbad (\url{http://simbad.u-strasbg.fr}).}     & [\arcsec]   \\
    \hline
    2007-10-08    & 01:07:58  & 175583   &  $1.02\pm 0.01$   & K2III    & 0.66\\
    2008-03-28    & 09:33:52  & 175583   &  $1.02\pm 0.01$   & K2III    & 0.60 \\
    2008-03-31    & 07:42:46  & 175583   &  $1.02\pm 0.01$   & K2III    & 0.81 \\
    2008-03-31    & 08:20:04  & 165524   &  $1.11\pm 0.01$   & K3III    & 0.80 \\
    \hline
  \end{tabular}
\end{table}