\begin{table}%tA.1
\caption{\label{lbt_images}LBT image parameters.}                                
%\centering
\par
\begin{tabular}{lllll} 
\hline\hline \noalign{\smallskip}
Filter   &Date          & Exposure & Seeing & Zeropoint  \\  
\hline
$U_{\rm spec}$   & 31-Dec.-2008  & 1200 s    & $0\farcs65$ & 26.73 \\
$B_{\rm Bessel}$ & 31-Dec.-2008  & 1070 s    & $0\farcs75$ & 27.41 \\
$V_{\rm Bessel}$ & 31-Dec.-2008  & 1200 s    & $0\farcs78$ & 28.01 \\
\hline
\end{tabular}                        
\end{table}