\begin{table}%T1
%\centering
\par
\caption{The journal of observations.}
\label{obs}
\begin{tabular}{lcccc}
\hline\hline
Date & $V$  & $R_{\rm C}$  & $I_{\rm C}$ & length\\
     & frames & frames &  frames & (hours)\\
\hline
2002 Feb. 1/2  & 83 & 2 & 3 & 8.5\\
2002 Feb. 2/3  & 108 & 1 & 1  & 8.8\\
2002 Feb. 3/4  & 142 & -- & -- & 8.7\\
2002 Feb. 4/5  & 134 & -- & -- & 8.7\\
2002 Feb. 5/6  & 129 & -- & -- & 8.7\\
2002 Dec. 23/24 & 62  & -- & -- & 3.4\\
2002 Dec. 25/26 & 215 & -- & -- & 5 \\
2002 Dec. 31/01 & 101 & -- & -- & 5 \\
\hline
Total: 8 nights & 974 & 3  & 4 & 56.8\\
\hline
\end{tabular}
\end{table}