\begin{table}%t2
%\centering
\par
  \caption{Observations.}\label{obs}
 \small \begin{tabular}{lcccccc}
\hline  \hline\noalign{\smallskip}
ISO &  & & & & &\\
Source &$\rm \alpha(2000)$ &$\rm \delta(2000)$ &AOT &Date &Int time (s) &Class\\
\hline  \noalign{\smallskip}
Orion Bar H2S1  &$\rm 05^h35^m20.32^s$ &$\rm -05^d25'19.8''$ &SWS01/04 &1997--10--11&6538 &A\\
HD~441791 &$\rm 06^h19^m58.22^s$ &$\rm -10^d38'15.0''$ &SWS01/04 &1997--10--18 &6538 &B\\
CRL2688 &$\rm 21^h02^m18.79^s$ &$\rm +36^d41'37.4''$  &SWS01/03 &1996--11--02 &3454 &C\\
CRL2688 &$\rm 21^h02^m18.70^s$ &$\rm +36^d41'36.6''$ &SWS06 &1996--10--20 &7962 &C\\
IRAS~13416-6243  &$\rm 13^h45^m07.65^s$  &$\rm -62^d58'19.0''$ &SWS01/03 &1997--08--05 &3454 &C\\
IRAS~22272+5435  &$\rm 22^h29^m10.32^s$ &$\rm +54^d51'07.0''$ &SWS01/02   &1996--08--06 &1912 &C\\
IRAS~22272+5435  &$\rm 22^h29^m10.27^s$ &$\rm +54^d51'06.4''$ &SWS01/03 &1996--11--17 &3454 &C\\
Spitzer &  & & & & &\\
IRAS~04293+3429&$\rm 04^h33^m05.7^s$ &$\rm +34^d30^m06^s$ &IRS   &2005--02--10   &25.17 &C\\
\hline   
\end{tabular}
\end{table}