\begin{table}%t2
\par
\caption{\label{obs_parameter}Cycle rate and number of data points per night and year depending on observational strategy.} 
 \small
  %\centering
\par
  \begin{tabular}{ccccc} 
  \hline\hline
  \# fields & Block size & Cycle rate & \# data points & \# data points \\
               &            &            & per night         & per year          \\ \hline 
  3            & 1~h         & 120~s       & 30                & 2430              \\ 
  4            & 1~h         & 160~s       & 23                & 1863              \\   
  5            & 1~h         & 200~s       & 18                & 1458              \\ 
  6            & 1~h         & 240~s       & 15                & 1215              \\ 
  7            & 1~h         & 280~s       & 13                & 1053              \\ 
  3            & 3~h         & 120~s       & 90                & 2430              \\ 
  4            & 3~h         & 160~s       & 68                & 1863              \\ 
  5            & 3~h         & 200~s       & 54                & 1458              \\ 
  6            & 3~h         & 240~s       & 45                & 1215              \\ 
  7            & 3~h         & 280~s       & 39                & 1053              \\ \hline
  \end{tabular}						\end{table}