\begin{table}%T1
      \caption{Observations.}
         \label{t1}
         %\centerline
{
         \begin{tabular}{lccc}
            \hline\hline
            \noalign{\smallskip}
            Central $\lambda$    &   ${R'}$ & 
		$S$~${{\rm (Sct.~ light)}}$ & ${{\rm max}}(\theta)$ \\
             \noalign{\smallskip} (\AA)   &  $^{{(a)}}$  & 
		 & ${{\rm (deg)}}$ \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
5245   &    56~000  &     0.054 & 75 \\
5300   &    176~000 &    0.046  & 80 \\
6122   &    77~000  &   0.065   & 80 \\
6162   &    148~000 &    0.066  & 75 \\
6166   &    77~000  &   0.066   & 75 \\
6200   &    206~000 &    0.080  & 75 \\
7585   &    176~000 &    0.048  & 80 \\
7770   &    86~000  &   0.058   & 80 \\
%6122   &    66~000  &   0.035   & 75 \\
          \noalign{\smallskip}
            \hline
         \end{tabular}
}
\par
\medskip 
$^{{(a)}}$ $R'$ is the resolving power measured relative to that 
of the FTS spectra; see text.
   \end{table}