\begin{table}%t3
\caption{\label{tab3}Observed and predicted IRAS $60~\mu$m and 100~$\mu$m fluxes.}
\small%\centering
\par
\begin{tabular}{ccccc}
\hline \hline\noalign{\smallskip}
HCG & \multicolumn{2}{c}{IRAS $60~\mu$m} & \multicolumn{2}{c}{IRAS $100~\mu$m} \\ 
group & Observed & Predicted & Observed & Predicted \\ 
& mJy & mJy & mJy & mJy \\
\hline 
19 & 300 & 246.8 & 1110 & 673 \\ 
26 & 540 & 450.6 & 1496 & 976 \\ 
33 & $<$$660$ & 339.6 & $<$$1140$ & 752 \\ 
37 & $\sim$$560$ & 449.5 & $<$$2000$ & 665 \\ 
38 & $\sim$$1430$ & 1439 & $<$$3160$ & 2076 \\ 
40 & $<$$1090$ & 1478 & 3850 & 3686 \\ 
47 & $<$$580$ & 880.9 & $<$$1510$ & 1336 \\ 
54 &  300 & 278.2 & 710 & 675 \\ 
55 &  200 & 139.4 & 1630 & 322 \\ 
56 & $<$$690$ & 1860 & $<$$1510$ & 2637 \\ 
57 & $<$$460$ & 437.5 & $<$$1380$ & 917 \\ 
71 & 1640 & 736.9 & $<$$3070$ & 1069 \\ 
79 & $\sim$$960$ & 584.4 & $<$$2320$ & 1137 \\ 
95 &  941 & 616.2 & 2390 & 898 \\
\hline
\end{tabular}
\end{table}