\begin{table}%t3
\caption{\label{tabdatasummary}Summary of the optical observations performed by the {\it  Wide Field Imager} of the 2.2~m MPG/ESO telescope at La Silla.}
\small%\centering
\par
\begin{tabular}{c|c|ccccc} 
\hline\hline
Date       & Field	& Filter & Number 	& Exposure	& Average 	& Average	\\
dd.mm.yyyy & ID   	& Name   & of Frames	& Time (s)	& Seeing	& Airmass	\\ 
\hline
06.03.2002 & 2    	& $U$      & 5      	& 2500.0	& 1.20		& 1.15		\\
06.03.2002 & 2    	& $B$      & 5      	& 1500.0	& 1.18		& 1.28		\\
10.02.2002 & 2    	& $V$      & 5      	& 2000.0	& 1.12		& 1.30		\\ \hline
05.03.2002 & 3    	& $U$      & 5      	& 2500.0	& 1.07		& 1.14		\\
10.02.2002 & 3    	& $V$      & 5      	& 2000.0	& 1.29		& 1.16		\\
05.03.2002 & 3    	& $R$      & 5      	& 2000.0	& 0.82		& 1.05		\\
08.03.2002 & 3    	& $I$      & 13     	& 3250.0	& 1.01		& 1.18		\\ \hline
05.03.2002 & 4    	& $U$      & 5      	& 2500.0	& 1.14		& 1.30		\\
12.12.2001 & 4    	& $B$      & 5      	& 1500.0	& 1.09		& 1.05		\\
12.12.2001 & 4    	& $V$      & 5      	& 2000.0	& 1.09		& 1.01		\\
12.12.2001 & 4    	& $R$      & 5      	& 2000.0	& 1.00		& 1.11		\\ \hline
10.02.2002 & 8    	& $B$      & 1      	& 500.0		& 1.69		& 1.70		\\
11.02.2002 & 8    	& $V$      & 4      	& 2000.0	& 1.64		& 1.73		\\ \hline
\end{tabular}
\end{table}