\begin{table}%t1
\caption{The observational log.\label{obslog}}
%\centerline
 {\begin{tabular}{lcccr}
\hline
\hline
 Run & Date & HJD (start) & $t$ & $N$ \\
 & & & [h] & \\
\hline
1 & 2006 August 30 & 977.9654 & 4.8 & 133\\
2 & 2006 August 31 & 978.9766 & 4.5 & 123\\
3 & 2006 September 21 & 999.9753 & 3.4 & 94\\
4 & 2006 September 22 & 1000.9831 & 3.3 & 93\\
5 & 2006 September 24 & 1002.9704 & 3.6 & 101\\
6 & 2006 September 27 & 1005.9734 & 3.5 & 93\\
7 & 2006 September 28 & 1006.9792 & 3.3 & 90\\
8 & 2006 September 29 & 1007.977 & 3.4 & 98\\
9 & 2006 October 04 & 1012.974 & 3.4 & 94\\
10 & 2006 October 08 & 1016.9812 & 3.2 & 90\\
11 & 2006 October 10 & 1018.9811 & 3.0 & 82\\
12 & 2006 October 15 & 1023.9679 & 3.2 & 91\\
13 & 2006 October 18 & 1026.9677 & 2.6 & 74\\
\hline
\end{tabular}}
\par
\smallskip
Note: HJD is --2~453~000 days, $t$ is the duration of the observation in hours
and $N$ is the number of frames.
\end{table}