\begin{table}%t2
%\centering
\par
 \small
\caption{Observation log of NGC~3960.
One star is common to configurations A and~B;
we consider only clump objects here (7~stars in total). The remaining
fibers were assigned to sky and to MS stars.\label{obs3960}}
\begin{tabular}{llllll}
\hline
\hline
Date   & UT$_{\rm{beginning}}$ &Exposure time&Configuration &Grating& No. of stars\\
& &(s) & && (clump)\\
\hline
2004-04-03  &  02 57 39.980   & 2595& A      & CD4 & 4\\
2004-04-03  &  03 52 16.186   & 2595&A      & CD4 &4\\
2004-04-03  &  04 47 31.818   & 2595&A      & CD3 &4\\
2004-04-20  &  03 37 39.635   & 2595&B      & CD3 &4\\
2004-05-02  &  00 12 31.740   & 2595&B      & CD4 &4\\
2004-05-02  &  00 57 37.007   & 2595&B      & CD4 &4\\
2004-05-02  &  01 43 13.805   & 2595&B      & CD3 &4\\
2004-05-02  &  02 39 18.200   & 2595&A      & CD3 &4\\
\hline
\end{tabular}
\end{table}