\begin{table}%t1
\par
\caption{\label{t_midilog}Log of observations of IRS~9A with MIDI, all performed in 2005.}
%\centerline
$${\small
\begin{tabular}{cccccr@{.}lc}
\hline\hline
Date   & Time    & Target     & $B_{\rm p}$ & $\lambda/B_{\rm p}$ & \multicolumn{2}{c}{BLPA}      & AM \\
       & (UT)    &            & [m]         & [mas]               & \multicolumn{2}{c}{[$\degr$]} &    \\ \hline
Feb. 27 & 08h 01m & HD~107446 & 38.0        & 43.4                &  60 & 6                       & 1.3\\
       & 08h 35m &    IRS~9A & 31.8        & 52.0                &  79 & 6                       & 1.5\\
       & 09h 16m & HD~107446 & 33.6        & 49.1                &  74 & 0                       & 1.4\\
Feb. 28 & 06h 24m & HD~107446 & 41.8        & 39.5                &  44 & 3                       & 1.2\\
(a)    & 06h 48m &    IRS~9A & 38.0        & 43.5                &  60 & 6                       & 1.3\\
       & 07h 09m & HD~107446 & 40.2        & 41.0                &  52 & 2                       & 1.2\\
(b)    & 07h 43m &    IRS~9A & 34.9        & 47.3                &  70 & 6                       & 1.4\\
       & 08h 04m & HD~107446 & 37.6        & 43.8                &  61 & 8                       & 1.3\\
(c)    & 08h 33m &    IRS~9A & 31.6        & 52.2                &  80 & 0                       & 1.5\\
       & 08h 54m & HD~107446 & 34.8        & 47.5                &  70 & 7                       & 1.4\\
(d)    & 09h 21m &    IRS~9A & 28.0        & 58.9                &  89 & 9                       & 1.7\\
       & 09h 48m & HD~107446 & 31.0        & 53.2                &  80 & 8                       & 1.5\\
Mar. 3  & 04h 21m & HD~107446 & 56.2        & 29.5                &  81 & 4                       & 1.3\\
       & 05h 27m & HD~107446 & 59.4        & 27.8                &  95 & 8                       & 1.3\\
       & 07h 10m &    IRS~9A & 62.5        & 26.5                & 131 & 9                       & 1.3\\
       & 07h 49m & HD~107446 & 62.5        & 26.5                & 126 & 0                       & 1.3\\
       & 08h 54m &    IRS~9A & 61.9        & 26.7                & 155 & 5                       & 1.6\\
       & 09h 16m & HD~107446 & 62.2        & 26.5                & 145 & 2                       & 1.5\\
       & 09h 33m & HD~107446 & 62.0        & 26.6                & 149 & 1                       & 1.5\\
       & 09h 51m & HD~107446 & 61.9        & 26.7                & 153 & 3                       & 1.6\\
    \hline
  \end{tabular}}$$
  \tablefoot{The spatial resolution $\lambda/B_{\rm p}$ is calculated for 8~$\mu$m.
    BLPA = baseline position angle projected on sky (east of north), AM =
    airmass. The letters (a)--(d) refer to Fig.~\ref{f_MIA_V1}.}
\end{table}