\begin{table}%t2
\caption{\label{table2}Typically measured fluxes over the brightest filaments.}
%\centerline
 {\begin{tabular}{lllll}
\hline\hline
 & $S$ & $E$ & $N$ & $W$ \\
\hline
\hnii\  & 20.8 & 19.8 & 18.7 & 21.3 \\
\sii\   & 17.5 & 14.7 & 12.3 & $<$6$^{a}$\\
\hline
\end{tabular}}
\par
\smallskip
Fluxes in units of \flux. \\
Median values over a 40\arcsec~$\times$~40\arcsec\ box. \\
$S$=(South), $N$(=North), $W$(=West) and $E$(=East).\\
${^a}$ 3$\sigma$~upper limit. 
 \end{table}