\begin{table}%t3
%\centering
\small\caption{First epoch observations.}\label{tab:obsfirst}
\begin{tabular}{lllllll}
\hline\hline Filter & Field & Center (J2000) & Exposures & Total
exposure time &
Mean seeing & Observing year \\
       & & & & (s) & (\mbox{arcsec}) & \\
\hline
$B$ & South & 12:59:40.00 ; 27:48:47.1 & 5 & 7200 & 1.07 & 2000 \\
$B$ & North & 12:59:40.00 ; 28:10:07.0 & 5 & 7200 & 1.01 & 2000 \\
$V$ & South & 12:59:40.00 ; 27:48:47.1 & 5 & 4200 & 1.00 & 2000 \\
$V$ & North & 12:59:40.00 ; 28:10:07.0 & 7 & 5040 & 0.97 & 2000 \\
$R$ & South & 12:59:40.00 ; 27:49:07.2 & 6 & 3300 & 0.94 & 1999 \\
$R$ & North & 12:59:40.00 ; 28:10:06.9 & 5 & 3600 & 0.87 & 2000 \\
\hline
\end{tabular}
\end{table}