\begin{table}%t1
\caption{\label{t1}Log of spectroscopic observations of V838 Her.}
%\centering
\par
\begin{tabular}{lrcrc}
\hline\hline\noalign{\smallskip}
\hspace*{1ex} Date & UT\hspace{1ex} & JD & exp. & Range \\
\hspace*{1ex} 1991 &  &  &    s~~   &  \AA   \\ \hline
March  31 & 3:42 & 8~346.66  & 300  & 3870--5000 \\
April \hspace{1.5ex} 2 & 2:20 & 8~348.60  & 120 & 5980--7130 \\
April \hspace{1.5ex} 2 & 2:28 & 8~348.60  & 300  & " \\
April \hspace{1.5ex} 2 & 3:22 & 8~348.64  & 300  & 4920--6060 \\
April \hspace{1.5ex} 2 & 3:51 & 8~348.66  & 600  & 3900--5040 \\
July \hspace{2.5ex} 2 & 0:29 & 84~39.52  & 2400  & 3960--5100 \\
\hline
 \end{tabular} 
\tablefoot{JD: Julian date -- 2~440~000. UT: Universal time at start of \mbox{exposure}.}
\end{table}