\begin{table}%t2
%\centering
\par
   \caption{\label{GaBoDS_data}GaBoDS data that was not taken by ourselves.} 
   \begin{tabular}{ll}
   \hline 
   \hline 
   \noalign{\smallskip}
   Sky coverage & Data source, depth of field\\
   \noalign{\smallskip}
   \hline 
   \noalign{\smallskip}
      1.75 ${\rm deg}^2$ & ESO Imaging Survey + GOODS\\
                   & (medium, one deep)\\
      5.00 ${\rm deg}^2$ & ASTROVIRTEL (mostly shallow, one deep)\\
      1.25 ${\rm deg}^2$ & COMBO-17 survey (deep)\\
      1.25 ${\rm deg}^2$ & ESO distant cluster survey\\
                   & (shallow, medium)\\
      0.25 ${\rm deg}^2$ & NTT Deep Field, from the IR group at the\\
                   & MPI f\"ur extraterrestrische Physik (deep)\\
      0.25 ${\rm deg}^2$ & Capodimonte Deep Field (deep)\\
   \hline 
   \end{tabular}
\end{table}