Table 1: Geometrical conditions during the observations.
Day of May 2006 Observ. ra $\Delta$b Phase Mean Rotator Scale at Total Mean
from - to modec     angle PAd anglee comet exp.time signalf
(UT) - (UT)   (AU) (AU) ( $\hbox{$^\circ$ }$) ($^\circ$) ($^\circ$) (km px-1) (seconds) 106 ADU
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
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
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 $^{\prime\prime}$.

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