\begin{table}%t1
\caption{\label{tab1}JKT observations: grating angle settings. }
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\par
\begin{tabular}{rll}
\hline\hline
 night & grating   & wavelength range   \\
 1994  & angle     &                    \\
\hline
  March 28 & 24\degr & 6000 \AA--8200 \AA   \\
      March 29 & 24\degr~+~27\degr & 6000 \AA--8200 \AA~+~7600 \AA--9900 \AA   \\
      March 30 & 21\degr & 4300 \AA--6500 \AA   \\
      March 31 & 18\degr & 3200 \AA--5100 \AA   \\
      April 1  & 21\degr & 4300 \AA--6500 \AA   \\
      April 2  & 24\degr & 6000 \AA--8200 \AA   \\
      April 3  & 27\degr & 7600 \AA--9900 \AA   \\
      April 4  & 18\degr & 3200 \AA--5100 \AA   \\
\hline
\end{tabular}
\end{table}