\begin{table}%t1
\caption{Summary of the \CaII 854.2 nm observations described in the paper.}
\label{t_data}
%\centering
\small
\begin{tabular}{lllllllllll}
\hline \hline
Date & Target & Location & $\Delta x$ ($''$) & $t_{\rm exp}$ (ms) & $\delta\lambda$ (pm) &$\Delta\lambda$ 
(nm) & $N$  & $\delta t$ (s)& $\Delta t$  (s) & Duration (min)\\
\hline
20040531 & quiet Sun & disk center & 0.16 & 25 & 8--16 & [$-0.12$, $0.16$] & 27 & 7
& 19 &  55\\
20040602 & quiet Sun & disk center & 0.16 & 25 & 8--16 & [$-0.12$, $0.16$] & 27 & 7
& 19 & 55 \\
20051001 & small pore & disk center & 0.082 & 50 & 4 &  [$-0.07$, $0.13$] & 35 & 700 & -- & --\\
\hline
\end{tabular}
\end{table}