\begin{table} %t1
\caption{Spectroscopic observations of SN 1990I.} \label{tab01}
%\begin{center}
{
\begin{tabular}{c c c c }
\hline \hline
Date (dd/mm/yy) & Phase$^{\dagger}$   &  Range (\AA)& Instrument\\
\hline 
29/04/90   & $\sim$max& 5370--9100  & ESO-2.2 m \\
09/05/90   & $+$12d & 3610--9510  & ESO-NTT \\
18/05/90   & $+$21d& 2950--7620  & CTIO-1.5 m \\
07/06/90   & $+$43d&  2950--7600 & CTIO-1.5 m \\
08/06/90   & $+$44d&  3310--9840 & CTIO-1.5 m \\
19/06/90    & $+$53d&  3320--9210 & CTIO-1.5 m \\
02/07/90    & $+$67d&  2960--7620 & CTIO-1.5 m \\
24/07/90    & $+$88d&  2960--7620 & CTIO-4.0 m \\
26/07/90    & $+$90d&  6230--9460 & CTIO-4.0 m \\
21/12/90   & $+$237d&  3580--6940 & ESO-3.6 m\\
11/01/91   & $+$258d&  3590--7010 & ESO-3.6 m\\
20/02/91   & $+$298d&  3700--9590 & ESO-3.6 m\\
21/04/91   & $+$358d&  3530--9390 & ESO-3.6 m\\
\hline
\end{tabular}}
$^\dagger$ Since the maximum light time: $\sim$29/04/1990. 
%\end{center}
\par
\end{table}