\begin{table}%t10
\caption{Electron temperature indicators in NGC~6369.\label{tab10}}
%\centerline
 {
\begin{tabular}{lcccc}
\hline
\hline
 Ion & Ioniz. & Lines& Observed & $T_{{\rm e}}$\\
 & Pot. (eV)& used$\dagger$ &ratio  & (K) \\
\hline
\ion{[N}{ii]}  & 14.5 & 5755/6584 & 0.022 & 11~000 \\
\ion{[S}{iii]} & 23.3 & 6312/18.7 & 0.0.049 & 10~000 \\
\ion{[Ar}{iii]} & 27.6 & 7136/8.99 & 1.07 & 10~000\\
\ion{[O}{iii]} & 35.1 & 4363/5007 & 0.0096 & 11~300\\
\ion{[O}{iii]} & 35.1 & 5007/51.8  & 11.3 & 11~500\\
\ion{[Ne}{iii]} & 41.0 & 3869/15.5 & 0.604 & 10~500\\
\hline
\end{tabular}}
\par
\smallskip
: Indicates uncertain value.\\ 
$\dagger$ When the wavelength has 4~figures it has the 
units of Angstrom and 3~figures is micron.
\end{table}