\begin{table}%t1
\caption{\label{obslog}Log of our observations. The stars are taken from \citet{arp}.}
%\centering
\small
\begin{tabular}{c c c c c c}
\hline
\hline
  Star & RA & dec &  $H$ & $t_{\rm exp}$ & {\it SNR} \\
\hline
Arp~4203 &  18 ~03~ 23.6 &  --30 ~01~ 59  & 9.2  & 200 s & 80\\
Arp~4329 & 18 ~03~ 28.4  & --29 ~58 ~42 & 11.1 & 1800 s & 95\\
Arp~1322 &  18 ~03 ~49.4 & --30 ~01 ~54   & 10.3 & 600 s  & 110 \\
\hline
\end{tabular}
\end{table}