\begin{table}%t2
\par
  \caption{Intensity contrast \mbox{$\delta I_{\rm rms}$} in percent points 
  for the original observations in the three considered BFI continuum bands.\label{tab:contrast}}
  %%\centerline

{
  \begin{tabular}{ccccccc}
  \hline
  \hline
  $\delta I_{\rm rms}^{{a}}$&\multicolumn{6}{c}{$\lambda$}\\
  $\mu$$^{{ b}}$&\multicolumn{2}{c}{450.45~nm}&\multicolumn{2}{c}{555.00~nm}&\multicolumn{2}{c}{668.40~nm}
\\
\hline
 0.05--0.10&    4.8&(5.0)&    3.7&(3.8)&    3.2&(3.2)\\
 0.10--0.15&    5.1&(5.1)&    3.7&(3.6)&    2.9&(3.2)\\
 0.15--0.20&    5.5&(5.4)&    4.0&(4.0)&    3.1&(3.2)\\
 0.20--0.25&    6.1&(6.0)&    4.0&(4.0)&    3.2&(3.2)\\
 0.25--0.30&    6.7&(6.6)&    4.3&(4.1)&    3.4&(3.2)\\
 0.30--0.35&    7.3&(7.4)&    4.6&(4.6)&    3.5&(3.6)\\
 0.35--0.40&    7.9&(8.0)&    4.9&(4.8)&    3.8&(3.5)\\
 0.40--0.45&    8.4&(8.2)&    5.2&(5.1)&    4.0&(3.8)\\
 0.45--0.50&    8.9&(8.9)&    5.4&(5.4)&    4.1&(4.0)\\
 0.50--0.55&    9.5&(9.7)&    6.1&(6.1)&    4.2&(4.4)\\
 0.55--0.60&   10.0&(10.4)&    6.2&(6.4)&    4.3&(4.3)\\
 0.60--0.65&   10.4&(9.9)&    6.4&(6.6)&    4.5&(4.5)\\
 0.65--0.70&   10.8&(10.7)&    6.6&(6.4)&    4.7&(4.7)\\
 0.70--0.75&   11.1&(11.0)&    7.1&(7.1)&    5.3&(5.4)\\
 0.75--0.80&   11.3&(11.4)&    7.5&(7.5)&    5.5&(5.6)\\
 0.80--0.85&   11.9&(11.6)&    7.7&(7.4)&    5.7&(5.6)\\
 0.85--0.90&   12.1&(12.2)&    7.9&(7.8)&    5.9&(5.8)\\
 0.90--0.95&   12.4&(12.5)&    7.9&(7.8)&    6.1&(6.2)\\
 0.95--1.00&   12.8&(13.1)&    8.3&(8.4)&    6.2&(6.2)\\
\hline
\end{tabular}}
\medskip
$^{{a}}$ The average contrast in each bin is given next to the peak of the corresponding 
  contrast histograms (in parentheses, compare to Fig.~\ref{fig:clv1}).
  \\ 
$^{{b}}$ Heliocentric positions~$\mu$; The $\mu$ bins ($\Delta \mu =0.05$) are the same as in Fig.~\ref{fig:clv1}. 
\end{table}