\begin{table}%t2
\caption{Gaussian fit parameters to azimuthal averages of the primary calibrator beam maps.}
\label{tbl:fcf}
%\centering
\par
\begin{tabular}{lccccc} 
\hline  \hline
Night & Wavelength & \multicolumn{2}{c}{Main Beam} & \multicolumn{2}{c}{Error Beam}\\
 & ($\mu$m) & FWHM (\arcsec) & Relative peak & FWHM (\arcsec) & Relative peak \\ 
 \hline
7th Jan. 2002 & 450 & 9.0 & 0.952 & 32.4 & 0.048  \\
 & 850 & 15.3 & 0.986 & 65.7 & 0.014  \\
5th June 2002 & 450 & 8.4 & 0.928 & 25.8 & 0.072  \\
 & 850 & 15.0 & 0.982 & 58.2 & 0.018  \\ \hline
\end{tabular}
\end{table}