\begin{table}%t1
%\centering
\par
\caption{\label{tab:camp}Observing campaigns for follow-up spectroscopy.}
\small \begin{tabular}{ccrr}
\hline \hline \noalign{\smallskip} 
   Date & Telescope & \multicolumn{1}{c}{No. of Spectra} & 
   \multicolumn{1}{c}{Resolution $\lambda / \Delta\lambda$} \\ 
 \hline 
Dec. 1990 & 3.6 m & 4 & 1020 \\ 
Apr. 1991 & 3.6 m & 1 & 830 \\ 
Feb. 1992 & 2.2 m & 4 & 370 \\ 
Feb. 1992 & 3.6 m & 6 & 900 \\ 
Sep. 1992 & 3.6 m & 4 & 700 \\ 
Mar. 1993 & 3.6 m & 6 & 770 \\ 
Feb. 1994 & 1.5 m & 1 & 1900 \\ 
Sep. 1994 & 1.5 m & 2 & 1980 \\ 
Sep. 1994 & 3.6 m & 4 & 680 \\ 
Nov. 1994 & 1.5 m & 11 & 770 \\ 
Oct. 1995 & 1.5 m & 30 & 650 \\ 
Oct. 1995 & 2.2 m & 1 & 300 \\ 
Mar. 1996 & 1.5 m & 19 & 590 \\ 
Oct. 1996 & 1.5 m & 8 & 580 \\ 
Feb. 1997 & 1.5 m & 24 & 600 \\ 
Oct. 1997 & 1.5 m & 19 & 540 \\ 
Dec. 1997 & 1.5 m & 33 & 540 \\ 
Sep. 1998 & 1.5 m & 26 & 670 \\ 
Nov. 1998 & 1.5 m & 23 & 600 \\ 
Sep. 1999 & 1.5 m & 28 & 580 \\ 
Mar. 2000 & 1.5 m & 15 & 540 \\ 
Sep. 2000 & 1.5 m & 36 & 640 \\ 
Nov. 2000 & 1.5 m & 22 & 790 \\ 
 \hline
\end{tabular}
\end{table}