\begin{table}%t1
\caption{\label{tab:log}Log of  ground-based \ha~observations.  }
\small%\centering
\par
\begin{tabular}{ccccc}
\hline\hline\noalign{\smallskip}
Band & Date & Filter & Exp. time & Seeing\\
\hline
H$\alpha$ & 29 Oct 2007 & WFCH6568 & $3\times 1200$~s & 1.4$''$\\
R & 30 Oct. 2007 & HARRIS R & $3\times 250$~s & 2.1$''$\\
\hline
\end{tabular}
\end{table}