\begin{table}%t1
\caption{Photometry obtained for PG 0911+456 (2006--2007).}
\label{obslog}
\small%\centering
\par
\begin{tabular}{c c c}
\hline\hline
Date (UT) & Start time (UT) & Length (h) \\
\hline 
20 Dec. & 08:10 & 05:07 \\
21 Dec. & 07:40 & 05:37 \\
15 Jan. & 06:04 & 07:21 \\
16 Jan. & 05:30 & 07:54 \\
17 Jan. & 04:08 & 09:19 \\
05 Feb. & 02:55 & 09:01 \\
10 Feb. & 06:11 & 04:05 \\
25 Feb. & 02:37 & 08:40 \\
\hline
\end{tabular}
\end{table}