\begin{table}%t1
  \caption{\label{tab:obs_schedule}Log of the observations.}
%\centering
\par
\begin{tabular}{l  c  c  c  l }
\hline\hline
%
Observatory & Band/filter & Start time (UT)    &  Stop time (UT)       &  Observing strategy \\ \hline
%
GRID        & 30 MeV--50 GeV & 2007-12-16 17:14 & 2007-12-23 02:18 & Nominal\\
            &                 & 2007-12-24 07:12 & 2007-12-30 23:03 & \\
            &                 & 2008-01-04 13:35 & 2008-01-08 11:06 & \\ \hline
%
SuperAGILE  & 18--60 keV     & 2007-12-16 17:14 & 2007-12-19 21:46 & Nominal \\
            &                 & 2007-12-19 21:46 & 2007-12-23 02:18 & \\
            &                 & 2007-12-24 07:12 & 2007-12-27 15:07 & \\
            &                 & 2007-12-27 15:07 & 2007-12-30 23:03 & \\
            &                 & 2008-01-04 13:35 & 2008-01-08 11:06 & \\ \hline
%
JEM-X       & 3--35 keV      & 2007-12-19 18:08 & 2007-12-22 06:44 & Rectangular dithering \\
            &                 & 2007-12-25 17:39 & 2007-12-28 06:27 & \\
            &                 & 2007-12-31 17:13 & 2008-01-03 04:00 & \\ \hline
%
ISGRI       & 18--400 keV    & 2007-12-19 18:08 & 2007-12-22 06:44 &  Rectangular dithering \\
            &                 & 2007-12-25 17:39 & 2007-12-28 06:27 & \\
            &                 & 2007-12-31 17:13 & 2008-01-03 04:00 & \\ \hline
%
SPI         & 20--8000 keV   & 2007-12-19 18:08 & 2007-12-22 06:44 &  Rectangular dithering \\
            &                 & 2007-12-25 17:39 & 2007-12-28 06:27 & \\
            &                 & 2007-12-31 17:13 & 2008-01-03 04:00 & \\ \hline
%
REM         & $K$           & 2007-12-11  8.20 & 2008-01-14  7.26   & Every 2--3~days \\
            & $H$           &                     &                       &       \\
            & $J$           &                     &                       &       \\
            & $I$           &                     &                       &       \\
            & $R$           &                     &                       &       \\
            & $V$           &                     &                       & \\ \hline
%
UVOT        & $V$           & 2008-01-04 16:11 & 2008-01-04 17:47   & Single exposure \\
            & $B$           &                     &                       &       \\
            & $U$           &                     &                       &       \\
            & ${\it UVW1}$        &                     &                       &       \\
            & ${\it UVM2}$        &                     &                       &       \\
            & ${\it UVW2}$        &                     &                       &       \\ \hline
%
UVOT        & $V$           & 2008-01-06 11:57 & 2008-01-06 15:24   & 3 exposures for each filter \\
            & $B$           &                     &                       &       \\
            & $U$           &                     &                       &       \\
            & ${\it UVW}1$        &                     &                       &       \\
            & ${\it UVM}2$        &                     &                       &       \\
            & ${\it UVW}2$       &                     &                       &       \\ \hline
%
XRT         & 0.2--10 keV  & 2008-01-04 16:11 & 2008-01-04 17:47  & PC + WT \\
            &             & 2008-01-06 11:57 & 2008-01-06 15:24  &  \\ \hline
%
%
%\hline
\end{tabular} 
\end{table}