\begin{table}%t1
\caption{Summary of observations (data set, date, targets, line, spectral order, observation parameters, total field of view).}\label{obstab}
%\centering
\par
\begin{tabular}{c l l c c c c c l}
\hline  \hline
Data set & Date & Solar region & Emission line & Order & Step size [\arcsec] &
Exposure [s] & Detector & FOV [\arcsec] \\ 
\hline  
1 & March 7, 1997 & ECH and QS & \ion{Ne}{viii} (770 \AA) & 1 & 1.0 & 90  & B & 235 $\times$ 283 \\  
2 & September 21, 1996 &  PCH and QS & \ion{Ne}{viii} (770 \AA) & 2 & 3.0 & 150 & A & 493 $\times$ 283 \\ 
\hline
\end{tabular}
\end{table}