\begin{table}%t2
\caption{Log of CCD images.}\label{t2}
%\centerline
{
\begin{tabular}{llllccl}
\hline
\hline
\noalign{\smallskip}
Id. &Filter          &$\lambda$      & $\delta$$\lambda$  & Expo.   & Tel.    &Date      \\              
       &              &                     &                              &    (s)   &          &            \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
N88  &Cont$^{1}$       &   5300 \AA  &   100 \AA            &$2\times600$      &ESO
 $-$1.5~m   &30/08/1984                \\
       & Cont$^{2}$       & 2.13 $\mu$    & 0.02 $\mu$             &$20\times100$     & VLT-ISAAC  &12$-$14/7/2002            \\
       & Cont                &  2.19 $\mu$   & 0.02 $\mu$             & $20\times100$    &                     &                              \\
       &     K                &                      &                              & $5\times 10 $      &                     &                      \\
\hline
\end{tabular}}
$^{1}$Roughly centered on the  Johnson $V$ band, $^{2}$on N88A this filter mainly 
contains a HeI line, the H$_{2}$1-0 S(1) line and continuum. In each image the seeing is  $\sim$1$\farcs$7. 
\end{table}