\begin{table}%t2
\par
\caption{\label{breakdown}Breakdown of emission-line objects.}
%\centering
\par
\begin{tabular}{ c c c c c}
\hline \hline
\noalign{\smallskip}
  NGC~1399 & NGC~1404  & Low-vel.  & Unassigned & Background\\
  PNe & PNe & PNe & PNe& Galaxies\\
\hline
 146 & 23 & 12 & 6 & 224 \\
\hline
\end{tabular}
\par
\end{table}