\begin{table}%t1
\caption{Properties of the telescopes and instruments$^{{a}}$.
\label{teles}}
%\centerline
 {\begin{tabular}{llrl}
\hline\hline
\noalign{\smallskip}
Band & Telescope+instrument & $N_{\rm obj}$ & Scale \\
& & & arcsec px$^{-1}$ \\
(1) & (2) & (3) & (4) \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
$U$, $B$, $V$ & NOT/ALFOSC & 26 & 0.190  \\
$U$, $B$     & NOT/MOSCA  & 3  & 0.217 \\
$H$         & NOT/NOTCam & 1  & 0.235 \\
$U$, $B$     & ESO NTT/EMMI   & 3  & 0.273 \\
\noalign{\smallskip}
\hline
\end{tabular}}
\par
\smallskip
$^{{a}}$ Column (1) gives the observed band; (2) the telescope and instrument used; 
(3) the number of observed targets, and (4) the spatial scale of 
the instrument. 
\end{table}