\begin{table}%t1
\caption{Summary of the imaging data.  The magnitude limits are $5\sigma$
limits in 2\arcsec~diameter apertures.}
\label{tab:data}
%\centering
\par
\begin{tabular}{c c c}
\hline\hline
Observation         & Exposure time & Magnitude limit \\
\hline
Suprime-Cam: $V$    & 60~min         & 26.6\\
Suprime-Cam: $R$    & 90~min         & 26.7\\
Suprime-Cam: $i$    & 45~min         & 26.2\\
Suprime-Cam: $z$    & 51~min         & 25.2\\
WFCAM: $K$          & 42~min         & 22.3\\
MOIRCS: $K_{\rm s}$-F12 & 30~min         & 23.3\\
MOIRCS: $K_{\rm s}$-F13 & 33~min         & 23.3\\
MOIRCS: $K_{\rm s}$-F21 & 23~min         & 23.1\\
MOIRCS: $K_{\rm s}$-F22 & 33~min         & 23.3\\
MOIRCS: $K_{\rm s}$-F23 & 15~min         & 22.9\\
MOIRCS: $K_{\rm s}$-F31 & 30~min         & 23.3\\
MOIRCS: $K_{\rm s}$-F32 & 33~min         & 23.3\\
MOIRCS: $K_{\rm s}$-F33 & 33~min         & 23.3\\
\hline
\end{tabular}
\end{table}