\begin{table}%t2
\caption{\label{obs}Observing $\log$ of Ond\v{r}ejov data.}
%\centering
 \small \begin{tabular}{llcccllc}
\hline\hline \noalign{\smallskip}
$t-T_{0}$ &  $E$   &      $mag$      &  &  & $t-T_{0}$ &  $E$   &      $mag$      \\
\hline
204.2  & 20    &  $18.12\pm0.12$   &  &  & 741.3  &  77   &  $17.79\pm0.04$   \\
232.2  & 20    &  $17.97\pm0.11$   &  &  & 825.5  &  76   &  $17.79\pm0.04$   \\
260.7  & 20    &  $17.85\pm0.10$   &  &  & 910.5  &  76   &  $17.82\pm0.05$   \\
288.7  & 20    &  $17.76\pm0.08$   &  &  & 995.5  &  77   &  $17.93\pm0.05$   \\
317.2  & 20    &  $17.77\pm0.09$   &  &  & 1123.0 &  162  &  $17.94\pm0.04$   \\
345.2  & 20    &  $17.82\pm0.09$   &  &  & 1292.2 &  161  &  $17.91\pm0.03$   \\
373.8  & 20    &  $17.76\pm0.08$   &  &  & 1462.1 &  162  &  $18.06\pm0.04$   \\
430.3  & 20    &  $17.75\pm0.09$   &  &  & 1631.1 &  161  &  $18.12\pm0.04$   \\
458.4  & 20    &  $17.67\pm0.07$   &  &  & 1843.1 &  246  &  $18.20\pm0.04$   \\
486.8  & 20    &  $17.60\pm0.08$   &  &  & 2097.6 &  247  &  $18.34\pm0.04$   \\
514.8  & 20    &  $17.55\pm0.07$   &  &  & 2351.7 &  246  &  $18.42\pm0.05$   \\
557.3  & 48    &  $17.65\pm0.05$   &  &  & 2648.2 &  331  &  $18.66\pm0.04$   \\
613.8  & 48    &  $17.83\pm0.06$   &  &  & 3015.1 &  387  &  $18.70\pm0.05$   \\
670.3  & 48    &  $17.75\pm0.05$   &  &  &        &       &                 \\
\hline
\end{tabular}
\end{table}