\begin{table}%t1
\caption{\label{tab:log_obs}AMBER and MIDI observing logs.}
\small \begin{tabular}{lccc}
 \hline   \hline
    & & \multicolumn{2}{c}{Projected baseline} \\
    Date & Stations & Length & PA \\
    & & [m] & [degrees] \\
    \hline
       \multicolumn{4}{c}{AMBER 1 (UT)}\\
      18/02/2006, 3h & UT1-3-4 & 95, 57, 129 & 22, 88, 46 \\
    18/02/2006, 8h & UT1-3-4 & 71, 62, 102 & 65, 145, 102\\ 
    \hline
    \multicolumn{4}{c}{AMBER 2 (AT)}\\
    %\hline  
    01/03/2008, 2h & K0-G1-A0 & 83, 78, 128 & --168, --94, --132 \\ 
    05/03/2008, 3h & G1-D0-H0 & 63, 64, 60.0 & --59, 64, 3 \\ 
    06/03/2008, 5h & G1-D0-H0 & 69, 60, 58 & --37, 90, 19\\ 
    06/03/2008, 7h & G1-D0-H0 & 71, 52, 33 & --15, 117, 33\\ 
    10/03/2008, 3h & H0-G0-E0 & 31, 15.6, 46.8 & --102 \\ 
    11/03/2008, 0h & H0-G0-E0 & 32, 16, 47 & --147 \\ 
    12/03/2008, 0h & H0-G0-E0 & 32, 16, 48 & --145 \\ 
    \hline   
    \multicolumn{4}{c}{MIDI (AT)}\\
    %\hline   
    26/02/2006, 4h & D0-G0 & 31.3 & 76.3  \\
    27/02/2006, 6h & A0-G0 & 57.1 & 101.3 \\
    01/03/2006, 1h & A0-G0 & 63.5 & 38.1  \\
    01/03/2006, 5h & A0-G0 & 61.1 & 85.1  \\
    19/04/2006, 4h & D0-G0 & 25.4 & 123.1 \\
    23/05/2006, 2h & A0-G0 & 51.7 & 120.0 \\
    25/05/2006, 1h & A0-G0 & 54.4 & 110.6 \\
    \hline
  \end{tabular}
\end{table}