\begin{table}%t2
\caption{Visual spectrum of \object{NGC~6826} (intensities with respect to H$\beta$~=~100).}\label{tab2}
\small%\begin{center}
{
\begin{tabular}{lrcc}
\hline
\hline
$\lambda$~($\mu$m) & Ident. & Meas.~Intens. & Unred.~Intens. \\
\hline
3726 & $[$\ion{O}{ii}$]$ & 14.3 & 14.9  \\
3729 & $[$\ion{O}{ii}$]$ & 9.74 & 10.1  \\
3869 & $[$\ion{Ne}{iii}$]$ & 47.6 & 49.2 \\
4069 & $[$\ion{S}{ii}$]$  & 0.137 & 0.141 \\
4076 & $[$\ion{S}{ii}$]$  & 0.171 & 0.175  \\
4102 & {H$_{\delta}$} & 25.2 & 25.9 \\ 
4162 & $[$\ion{K}{v}$]$ &      & 0.005 \\
4267 & \ion{C}{ii}    & 0.562 & 0.574  \\
4340 & {H$\gamma$}& 46.0 & 46.8 \\
4363 & $[$\ion{O}{iii}$]$ & 3.67 & 3.74 \\
4471 & \ion{He}{i}    & 5.12  & 5.19 \\
4740 & $[$\ion{Ar}{iv}$]$ &      & 0.359 \\
4861 & {H$\beta$} & 100 & 100 \\
5007 & $[$\ion{O}{iii}$]$ & 756. & 753 \\
5518 & $[$\ion{Cl}{ii}$]$ & 0.439: & 0.429  \\
5538 & $[$\ion{Cl}{ii}$]$ & 0.400  & 0.391 \\
5755 & $[$\ion{N}{ii}$]$  & 0.154  & 0.150 \\
5876 & \ion{He}{i}    & 14.8   & 14.3 \\
6102 & $[$\ion{K}{iv}$]$ &      & 0.013 \\
6312 & $[$\ion{S}{iii}$]$ & 0.63  & 0.60  \\
6563 & {H$\alpha$}& 290.  & 277. \\
6584 & $[$\ion{N}{ii}$]$  & 9.22  & 8.79  \\
6717 & $[$\ion{S}{ii}$]$  & 0.448 & 0.426  \\
6731 & $[$\ion{S}{ii}$]$  & 0.612 & 0.582  \\
7136 & $[$\ion{Ar}{iii}$]$& 12.2 & 11.5 \\
7320 & $[$\ion{O}{ii}$]$  & 0.98 & 0.92  \\
7330 & $[$\ion{O}{ii}$]$  & 0.814 & 0.765 \\
7531 & $[$\ion{Cl}{iv}$]$ & 0.043 & 0.041 \\
9531 & $[$\ion{S}{iii}$]$ &      & 28.9$^{*}$\\
\hline 
\end{tabular}}
\parbox{7cm}{$^{*}$ Hippelein \& Munch (\cite{hipp}).}
%\end{center}
\end{table}