\begin{table}%t2
%\centering
\par
\caption{Astrometric errors for the $L^\prime$~$\approx$~14 stars, given the DC positioning error (Table~\ref{table:offset}) and the StarFinder accuracy (Fig.~\ref{fig:error}).             
\label{table:astromerror}     }
\begin{tabular}{c c c c c c}        
\hline\hline                 
Date & Apr. 24 & Apr. 25 & Jun. 13 & Aug. 10 & Sep. 20 \\    
\hline                        
$\sigma_\alpha$ (mas) & 8 &  8 & 8 & 8 & 8 \\      
$\sigma_\delta$ (mas) & 11 & 11 & 10 & 8 & 7 \\
\hline                                   
\end{tabular}
\end{table}