\begin{table}%t1
\caption{Observational information of the galaxies.}\label{tab1} 
%\centerline
{
\begin{tabular}{lccc} 
\hline \hline
NAME & ISO-TDT$^a$ &Hubble type & Distance  \\
     &           &     & (Mpc)    \\ \hline
NGC 185$^b$  & 40001320 &dE5  & 0.62  \\
NGC 205$^b$  & 39902919 & dE5 & 0.72  \\
NGC 1052$^c$
& 79601801 & E4 & 17.70  \\
NGC 1316$^c$  & 58800702 &S0 & 18.11\\
NGC 1399$^{c,d}$  & 85201724 & E1 & 18.11  \\
NGC 2300$^c$  & 72601523 &SA0 & 27.67  \\
NGC 3928$^c$  & 15301004& E1 & 17.00  \\
NGC 4278$^c$  & 22900605& Sa &16.22  \\
NGC 4374$^c$  & 23502406 &E0 & 15.92  \\
NGC 4473$^c$  & 23800407 &E1 & 16.14  \\
NGC 4486$^c$  & 23800808 &E5 & 15.92 \\
NGC 4649$^c$  & 24101209 &E2 & 15.92  \\
NGC 5018$^c$  & 40000210 &E2 & 30.20 \\
NGC 5102$^{c,d}$ & 08902411& SA0  & 4.16  \\
NGC 5173$^c$  & 35400412& E0 & 34.99 \\
NGC 5266$^c$  & 08100313 &SA0 & 60.00 \\
NGC 5363$^c$  & 22500814& S0 & 15.79 \\
NGC 5866$^c$  & 08001315& SA0 & 13.18  \\
\hline
\end{tabular}}
\medskip
$^a$ The Target Dedicated Time (TDT) number of the {\it ISO}
observations as it appears in the {\it ISO} archive. \\
$^b$ 6$''$ observations are only available. \\
$^c$  6$''$ observations for the 4.5, 6.7 and 15~$\mu {\rm m}$ as well as 
3$''$ observations for the 6.7 and 15~$\mu {\rm m}$ are available.\\
$^d$ Additional 6$''$ observations at 6.0, 6.8, 7.7, 9.6, 11.3 and 14.9~$\mu {\rm m}$ are also available.
\end{table}