\begin{table}%t1
\caption{Geometrical conditions during the observations.}
\label{tab:conditions}
\small%\centerline
 {
\begin{tabular}{ccccccccrc}
\hline \hline  
Day of May 2006  & Observ.&  $r^a$   &
$\Delta$$^b$ &
 Phase &  Mean  & Rotator  &  Scale at      & Total    & Mean   \\
from -- to       & 
mode$^c$   &
&          &
  angle   &  
PA$^d$  &  
angle$^e$   &
comet        & exp.time &
signal$^f$\\
(UT) -- (UT)     &        & (AU) &  (AU)    & ($\degr$)& (\degr)& (\degr)  &
(km px$^{-1}$) & (seconds)
& 10$^6$~ADU   \\
\hline  
 \multicolumn{9}{c}{\underline{Fragment B}}\\ 
3.972 -- ~3.985 & I & 1.068  &  0.109 & 54.6 & 212.0 & ~~0.0 & 79.3 & 520
& 27.0 \\
4.854 -- ~4.863 & I & 1.062  &  0.104 & 56.6 & 213.9 & --37.4 & 75.6 & 600
& 18.1 \\
4.893 -- ~5.053 & P & 1.062  &  0.103 & 56.6 & 213.9 & --37.4 & 75.6 & 11040
& 9.8/~7.7\\
8.883 -- ~8.896 & I & 1.036  &  0.081 & 68.4 & 227.4 & --47.4 & 58.9 &  282
& 148.8 \\
8.965 -- ~8.994 & P & 1.036  &  0.080 & 68.4 & 227.4 & --47.4 & 58.9 & 1500
& 31.6/22.1\\
9.853 -- ~9.866 & I & 1.031  &  0.076 & 72.0 & 231.8 & --56.5 & 55.3 &  270
& 31.2 \\
9.870 -- ~9.914 & P & 1.031  &  0.076 & 72.0 & 231.8 & --56.5 & 55.3 & 2910
& 30.2/20.5 \\
\hline  
 \multicolumn{9}{c}{\underline{Fragment C}}\\ 
4.070 -- ~4.076 & I & 1.061 & 0.107 & 57.9  & 225.2 & ~~0.0 & 77.8 & 280 & 22.0 \\
5.095 -- ~5.105 & I & 1.054 & 0.101 & 60.5  & 227.7 & --37.4 & 73.4 & 420 & 55.3 \\
9.047 -- ~9.056 & I & 1.030 & 0.084 & 73.8  & 240.7 & --47.4 & 61.1 & 190 & 25.5 \\
9.934 -- ~9.939 & I & 1.024 & 0.081 & 77.2  & 243.7 & --56.5 & 58.9 & 240 & 23.4 \\
9.944 -- 10.053 & P & 1.024 & 0.081 & 77.4  & 243.7 & --56.5 & 58.9 & 6100& 21.6/14.8\\
\hline
\end{tabular}}
\medskip
$^a$ Heliocentric distance;
$^b$ geocentric distance;
$^c$ I~= imaging, P~= polarimetric imaging;
$^d$ extended Sun-fragment radius vector, defines also the scattering plane;
$^e$ The values give the angle between North and the +$Y$~axis. Sign minus~($-$) means that North is rotated clockwise;
$^f$ measured in circular aperture of radius~10\arcsec.
\end{table}