\begin{table} %t2
\caption{\label{tab:logobs}Journal of the observations.}
\small%\centerline
{
\begin{tabular}{lllrrrc}
\hline\hline 
 Comet   &
 Date (UT)  &
 Filters   &
 $r_{\rm h}$   &
 $\Delta$  &
 $\alpha$   &
 Scale   \\
 & & &   (AU)   &   (AU)  &
  $(^\circ)$   &   (km/pix)  \\ 
\hline 
 4P/Faye            & 2000 Feb. 07.618 & $ V, R$ &
                        2.956 & 1.998 &  5.6 & 66.0 \\
10P/Tempel 2        & 1999 Jun. 23.432 & $B, V, R, I$ &
                        1.669 & 0.681 & 12.8 & 22.5 \\
17P/Holmes          & 1999 Jun. 15.527 & $V, R$ &
                        3.116 & 2.176 &  8.5 & 71.8 \\
37P/Forbes          & 1999 Oct. 29.326 & $V, R, I$ &
                        2.270 & 1.389 & 14.8 & 45.8 \\
44P/Reinmuth 2      & 2000 Jun. 12.638 & $V, R$ &  
                        2.727 & 1.732 &  5.3 & 57.2 \\
50P/Arend           & 2000 Jan. 11.854 & $V, R, I$ &
                         2.374 & 1.468 & 11.8 & 48.4 \\
59P/Kearns--Kwee    & 2000 Jan. 15.542 & $V, R, I$ &
                         2.516 & 1.539 & 3.3 & 50.8 \\
63P/Wild 1          & 2000 Apr. 22.212 & $V, R, I$ &
                         2.266 & 1.299 &  9.2 & 42.9 \\
71P/Clark           & 2000 Mar. 12.701 & $V, R$ &
                         2.715 & 1.764 &  7.5 & 58.2 \\
84P/Giclas          & 2000 Jan. 13.444 & $V, R$ &
                         2.209 & 1.368 & 16.9 & 45.2 \\
106P/Schuster       & 1999 Oct. 18.708 & $B, V, R, I$ &
                            1.666 & 0.780 & 23.0 & 25.8 \\
112P/Urata--Niijima & 1999 Sep. 08.618 & $V, R$ &
                            2.296 & 1.501 & 19.2 & 49.5 \\
114P/Wiseman--Skiff & 2000 Jan. 14.444 & $B, V, R, I$ &
                            1.569 & 0.836 & 33.2 & 27.6 \\ 
\hline
\end{tabular}}
\smallskip
  Date: mid-point of the observational session (visit)
bracketed by the first and last images (UT).  \\
  Filters: $ (B,V,R,I)  = $
({F439W}, {F555W}, {F675W}, {F814W}).  \\
 $r_{\rm h}$: heliocentric discance,
$\Delta$: geocentric discance,
$\alpha$: solar phase angle.  \\
 Scale: pixel scale at the nucleus distance. 
\end{table}