\begin{table}%t2
\caption{\label{Table with points and spacings}Observation strategy 2006/07.}
\par
%\centering
\par
\begin{tabular}{ll ll} 
 \hline\hline \noalign{\smallskip}
 	&		Sig	&	Ref.	&	Spacing	\\
\hline \noalign{\smallskip}
1	&	A	&	B	&	5\arcmin	\\
2		&	B	&	C	&	15\arcmin	\\
3		&	C	&	D	&	10\arcmin\\
4		&	D	&	A	&	30\arcmin	\\
\hline 
\end{tabular}
\tablefoot {Every weekend we observed four positions,~A$-$D, in~a sequence using $\sim$10~h towards each position with one frequency setting   (also shown in Fig.~\ref{obs strategy 2006-2007}).}
\end{table}