\begin{table}%T1
\caption{\label{J_Obs}Journal of observations.
{\em Seeing} is the FWHM of stellar images as measured on the CCD~frames.
Short exposures are a few seconds; medium exposures are around a minute;
and long exposures are several minutes in duration.}
%\centering
\par
\begin{tabular}{cccc}
\hline\hline
Date & Exposures & Field  & Seeing \\
yymmdd &        & ($\prime$) & ($\prime\prime$) \\ 
\hline
990720 & short & $11\times 11$ &  2.0\\
990720 & medium & $11\times 11$ &  2.0\\
990720 & long & $11\times 11$ &  2.0\\
990721 & short & $11\times 11$ &  1.8\\
990721 & medium & $11\times 11$ &  1.8\\
990721 & long & $11\times 11$ &  1.8\\
000729 & medium & $44\times 44$ & 3.0\\
\hline
\end{tabular}
\end{table}