\begin{table}%t3
  %\centering
\par
  \caption{Number of photons collected per 50~ms frame and per spectral channel in the $K$~band in different observation modes.}\label{tab:collected}
  \begin{tabular}{lcc}
    \hline\hline
    Observation &best 20\%  &average\\
  \hline
  Medium Resolution   &1000 & 530\\
  $K=4.9$\\
  \hline
  Low Resolution      & 4250 & 2540\\
  $K=8.2$\\
  \hline
  \end{tabular}
\end{table}