\begin{table}%tE.1
\caption{\label{table:comparison}Comparison of existing CIRB estimates in the FIR range. The
error estimates quoted by the authors are shown in parenthesis. In our case, we include only the statistical uncertainty.}
\small%\centerline
 {
\begin{tabular}{rcll} 
\hline \hline
$\lambda$ &   $I_{\nu}$        &  Reference   & Instrument \\
 ($\mu$m)  &   (MJy~sr$^{-1}$) &              & \\
\hline
90        &   $<$2.3        &  this paper      & ISO/ISOPHOT \\
150/180   &   1.08 (0.32)$^2$ &  this paper      & ISO/ISOPHOT \\
100       &   $<$$1.1^1$      &  Hauser et~al. \cite{Hauser1998}  & COBE/DIRBE \\
          &   0.73 (0.20)$^1$  &    &  \\
100       &   0.37 (0.10)  &  Dwek et~al. 1998  & COBE/DIRBE \\
100       &   0.78 (0.20)  &  Lagache et~al. \cite{Lagache2000}  & COBE/DIRBE \\
100       &   0.83 (0.27)  &  Finkbeiner et~al. \cite{Finkbeiner2000}  & COBE/DIRBE \\
140       &   1.49 (0.33)  &  Schlegel et~al. \cite{schlegel}  & COBE/DIRBE \\
140       &   1.17 (0.33)  &  Hauser et~al. \cite{Hauser1998}  & COBE/DIRBE \\
140       &   0.70 (0.28)  &  Hauser et~al. \cite{Hauser1998}  & COBE/FIRAS \\
140       &   0.70 (0.28)  &  Lagache et~al. \cite{Lagache1999}  & COBE/DIRBE \\
140       &   1.12 (0.56)  &  Lagache et~al. \cite{Lagache2000}  & COBE/DIRBE \\
140       &   1.17 (0.37)  &  Odegard et~al. \cite{Odegard2007} & COBE/DIRBE \\
240       &   1.36 (0.16)  &  Schlegel et~al. \cite{schlegel}  & COBE/DIRBE \\
240       &   1.12 (0.24)  &  Hauser et~al. \cite{Hauser1998}  & COBE/DIRBE \\
240       &   1.04 (0.16)  &  Hauser et~al. \cite{Hauser1998}  & COBE/FIRAS \\
240       &   0.88 (0.16)  &  Lagache et~al. \cite{Lagache1999}  & COBE/DIRBE \\
240       &   0.88 (0.56)  &  Lagache et~al. \cite{Lagache2000}  & COBE/DIRBE \\
240       &   1.04 (0.24)  &  Odegard et~al. \cite{Odegard2007} & COBE/DIRBE \\
\hline
\end{tabular}}
\medskip
$^1$ Hauser et~al. did not claim detection at 100~$\mu$m,  because the CIRB~signal failed test for isotropy; $^2$~only the statistical error is quoted.
\end{table}