\begin{table}%t1
\caption{Observation log.}
\label{log}
%\centering
\small
\begin{tabular}{clllccrcc}
\hline \hline
Observer & Telescope & CCD camera & Timespan & Nbr of & Nbr of & \multicolumn{3}{c}{Number of data points} \\
initials &           &            &  {\small (JD-2~450~000)} &  nights & hours & $B$ & $V$ & $I_{\rm C}$ \\
\hline
KB    & 20-cm C8    & SX Starlight  & 4083--4189 & 14 &  49.0 & --    & 1960 & -- \\
HMB   & 35-cm C14   & SBIG ST-8     & 4066--4186 & 16 &  51.6 & --    & 1039 & 446 \\
SK    & 30-cm LX200 & SBIG ST-7XMEI & 4105--4200 & 29 & 150.1 & 3649 & 3629 & -- \\
JR    & 35-cm C14   & SBIG ST-7XMEI & 4068--4175 & 18 &  78.4 & --    & 4391 & -- \\
Total ($V$) &             &         & 4066--4200 & 68 & 303.0 & --    & 11~019 & -- \\
\hline
\end{tabular}
\end{table}