\begin{table}%t1
\caption{\label{t1}Observing log.}             
%\centerline
{         
\begin{tabular}{ccc}     
\hline\hline       
Object$^a$ & Date & Exposure time [s]\\
%
\hline
\multicolumn{3}{c}{HIRES} \\
\hline
Pal3-2  (H2)  & Feb. 11 1999 & 1 $\times$ 420  \\
Pal3-3  (H3)  & Feb. 11 1999 & 1 $\times$ 420  \\
Pal3-5  (---) & Mar. 10 1999 & 1 $\times$ 720  \\
Pal3-6  (H4)  & Feb. 11 1999 & 1 $\times$ 600  \\		 
Pal3-8  (H5)  & Feb. 12 1999 & 1 $\times$ 600  \\
Pal3-15 (H6)  & Feb. 11 1999 & 1 $\times$ 960  \\
Pal3-16 (H8)  & Feb. 12 1999 & 1 $\times$ 1080 \\
Pal3-17 (H9)  & Feb. 12 1999 & 1 $\times$ 1200 \\
Pal3-18 (H10) & Feb. 11 1999 & 1 $\times$ 1200 \\
Pal3-21 (---) & Feb. 11 1999 & 1 $\times$ 1500 \\
Pal3-22 (H12) & Feb. 12 1999 & 1 $\times$ 1200 \\
Pal3-24 (H13) & Feb. 12 1999 & 1 $\times$ 1500 \\
Pal3-26 (H14) & Feb. 12 1999 & 1 $\times$ 1500 \\
Pal3-29 (H15) & Mar. 10 1999 & 1 $\times$ 1800 \\
Pal3-35 (H19) & Feb. 12 1999 & 1 $\times$ 1800 \\
Pal3-36 (H16) & Feb. 12 1999 & 1 $\times$ 1800 \\
Pal3-38 (H22) & Feb. 12 1999 & 1 $\times$ 1800 \\
Pal3-40 (H21) & Mar. 10 1999 & 1 $\times$ 2400 \\
Pal3-41 (H23) & Mar. 10 1999 & 1 $\times$ 2400 \\
\hline
\multicolumn{3}{c}{MIKE} \\
\hline                    
Pal3-2 (H2)   & Dec. 31 2008, Jan. 01 2009 & 4 $\times$ 3600\\
Pal3-3 (H3)   & Jan. 01 2008, Jan. 02 2009 & 3 $\times$ 3600\\
Pal3-5 (---)  & Jan. 02 2008 & 3 $\times$ 3600\\
Pal3-6 (H4)   & Jan. 03 2008 & 4 $\times$ 3600\\
%
%
\hline                                    
\end{tabular}}
\par
\medskip
$^a$ IDs preceded by ``H'' are taken from Hilker  (\cite{Hilker06}).
\end{table}