\begin{table}%t1
\caption{\label{tab1}Telescopes  and CCD cameras.}  
\par
%\centering
\small  
\begin{tabular}{l l l@{}}        
\hline\hline \noalign{\smallskip}
Telescope & RTT150, TUG & 1.0 m YAO\\
 location & Antalya, Turkey & Kunming, China \\
 \hline
 Coordinates ($\lambda,\varphi$) & $+30^{\circ}20'$, $+36^{\circ} 49'$  & $+102^{\circ} 47'$, $+25^{\circ} 02'$ \\       
Height, m & 2500 & 1000\\
$D$(mm)/$F$(mm) & $1500/11600 $ &$1000/13~000$\\ 
CCD  & ST8\tablefootmark{a}$\!$,        Andor DW436 & TI\\
Size, pix. &$1530\times1020$,  $2048\times2048$ &$1024\times1024$\\
Pixel, mkm & $9\times9$, $13.5\times13.5$ & $24\times24$\\
Scale, arcsec/pix & $0.16$, $0.24$ & $0.37$\\
FOV, arcmin & $4.1\times2.7$, $8.2\times8.2$ & $6.5\times6.5$\\
\hline
\end{tabular}
\tablefoot{\tablefoottext{a}{Used in binning mode.}}
\vspace{5mm}
\end{table}