\begin{table}%t2
%\setlength\tabcolsep{3pt}
%\centering
\small
\caption{\label{Tab:Inst_Sum}Instrumental setup summary.}
\small
\begin{tabular}{lllcc}
\hline \hline
Telescope  & Spectrograph & Spectra & Spectral region &Resolution \\ 
\hline
OHP 1.93-m & \textit{Elodie} & \'echelle & 3900--6800 $\AA$ & 42~000 \\
OHP 1.52-m & \textit{Aurelie} & 1D & 6495--6625 $\AA$ & 38~000 \\ 
OHP 1.52-m & \textit{Aurelie} & 1D  & 6650--6775 $\AA$ & 38~000 \\ 
OAC 0.91-m & FRESCO & \'echelle & 4250--6850 $\AA$ & 21~000 \\ 
\hline 
\end{tabular}
\end{table}