\begin{table}%T1 
\caption{\label{table:keyWavelengths}Spectrometer calibration block key wavelengths.}
\small%\centering
\par
\begin{tabular}{c c c} 
\hline\hline\noalign{\smallskip}
Bands     &  Blue wavelength & Red wavelength \\
\hline
B2A / R1  &  60              & 120 \\
B3A / R1  &  60              & 180 \\
B2B / R1  &  75              & 150 \\
\hline
\end{tabular}
\tablefoot{The wavelengths
observed in the spectrometer calibration block depend
on the spectral bands visited in the rest of the observation.}
\end{table}