\begin{table}%t2
  %\centering
\par
     \caption{Relative line fluxes in units of the H$\beta \lambda4861$ flux  derived from MPFS and LSS data. The fluxes of red forbidden lines in units of the H$\alpha$ flux are given in brackets.\label{relflux} }
                \begin{tabular}{lcc}
           \hline\hline
           \noalign{\smallskip}
            Line & \multicolumn{2}{c}{Relative flux}  \\
                 & LSS & MPFS \\ 
           \noalign{\smallskip}
           \hline
           \noalign{\smallskip}
           H$\gamma$ $\lambda 4363$   & 0.45  &  --   \\ 
           $[$O~III$]~  \lambda 4363$ & 0.08  &  --   \\ 
           He~I~$\lambda 4471$      & 0.08  &  --   \\
           He~II~$\lambda 4686$     & 0.14  & 0.12 \\
           He~I~$\lambda 4713$      & 0.01  &  --   \\
           He~I~$\lambda 4922$      & 0.01  &  --   \\
           $[$O~III$]~ \lambda 4959$  & 1.00  & 1.20 \\
           $[$O~III$]~ \lambda 5007$  & 3.00  & 3.00 \\ 
           He~II~$\lambda 5412$     & 0.02  &  --   \\
           He~I~$\lambda 5876$      & 0.07  &  --   \\
           $[$O I$]$~$\lambda 6300$   & 0.11 (0.03) &  --   \\
           H$\alpha$ $\lambda 6563$   & 3.20  & 3.80 \\
           $[$N~II$]$~$\lambda 6583$  & 0.08 (0.02) &  --   \\
           He~I~$\lambda 6678$      & 0.03  &  --   \\
           $[$S~II$]$~$\lambda 6717$  & 0.22 (0.07) & 0.28 \\
           \hline
        \end{tabular}
  \end{table}