\begin{table}
%\centering
\par
\caption{86~GHz and 43~GHz image information,
including the observing epochs, the total
integration times ($t_{\rm{int}}$), the observing frequency
bandwidth ($\Delta \nu_{\rm{obs}}$), the number of bits used for the
signal digitalisation sampling, the FWHM minor and major
axes of the restoring beam and its orientation angle, the
integrated total flux densities, the peak flux density, and the noise levels
of the resulting images.}
%\begin{flushleft}
\begin{tabular}{lcccccrccc}
\hline\hline\noalign{\smallskip}
Epoch & $t_{\rm{int}}$ &
$\Delta \nu_{\rm{obs}}$ & Bits & \multicolumn{3}{c}{Beam} & $S_{\rm{int}}$ & $S_{\rm{peak}}$ & Noise\\
 $[$y] &   [min]         &    [MHz]    &     &
$\mu$as  &  $\mu$as  &   $^{\circ} \ \  \ $  &      [Jy]    &    [Jy/beam]   &    [mJy/beam]      \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{86~GHz images}\\
%[1mm]
\hline
2001.82  & 169  & 128  & 1  &  40 &  107 &  $-21.1$ & 3.38 & 1.22 & 3.3 \\
2002.30  & 293  & 128  & 1  &  38 &   77 &  $-18.7$  & 2.85 & 1.08 & 1.0 \\
2002.81  & 228  & 128  & 2  &  41 &   80 &  $-15.6$  & 3.82 & 1.30 & 2.4 \\
2003.32  &  98  & 128  & 2  &  75 &  221 &  $-30.1$  & 2.13 & 1.09 & 5.7 \\
2004.29  & 241  & 128  & 2  &  40 &   82 &  $-14.1$  & 4.57 & 1.03 & 1.6 \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{43~GHz images}\\ \hline
1997.51  &  60  &  32  & 1  &  123 &  245 & $-34.6$ & 3.27 & 2.43 & 4.8  \\
1998.14  &  60  &  32  & 1  &  112 &  251 &  $-9.4$ & 4.06 & 2.68 & 4.8  \\
1998.88  &  60  &  32  & 1  &  154 &  230 &   1.1 & 4.25 & 3.04 & 3.6  \\
1999.10  &  60  &  32  & 1  &  187 &  292 &   1.1 & 4.78 & 3.80 & 3.8  \\
2000.54  &  20  &  16  & 2  &  129 &  241 & $-19.0$ & 5.73 & 3.30 & 4.0  \\
2000.72  &  20  &  16  & 2  &  132 &  244 & $-19.0$ & 6.04 & 3.39 & 3.5  \\
2000.80  &  20  &  16  & 2  &  132 &  266 & $-21.3$ & 6.18 & 3.42 & 3.4  \\
2000.88  &  20  &  16  & 2  &  242 &  356 & $-36.7$ & 6.18 & 4.75 & 4.4  \\
2000.97  &  20  &  16  & 2  &  205 &  329 &  23.4 & 5.92 & 3.85 & 4.5  \\
2001.05  &  20  &  16  & 2  &  208 &  340 &  13.8 & 5.72 & 3.85 & 4.1  \\
2001.13  &  20  &  16  & 2  &  206 &  268 &   5.7 & 5.74 & 3.40 & 3.7  \\
2001.20  &  20  &  16  & 2  &  195 &  261 &   8.8 & 5.73 & 3.35 & 5.8  \\
2001.29  &  20  &  16  & 2  &  225 &  275 &  12.7 & 5.59 & 3.45 & 4.2  \\
2001.38  &  20  &  16  & 2  &  134 &  225 & $-19.5$ & 5.40 & 2.49 & 3.1  \\
2001.48  &  20  &  16  & 2  &  138 &  238 & $-23.6$ & 5.31 & 2.57 & 3.2  \\
2001.62  &  20  &  16  & 2  &  137 &  256 & $-31.7$ & 5.41 & 2.83 & 4.5  \\
2001.70  &  20  &  16  & 2  &  129 &  239 & $-28.5$ & 4.79 & 2.28 & 3.5  \\
2001.78  &  20  &  16  & 2  &  134 &  248 & $-21.3$ & 5.69 & 2.63 & 3.6  \\
2001.86  &  20  &  16  & 2  &  135 &  243 & $-20.7$ & 6.76 & 3.58 & 2.7  \\
2002.07  &  20  &  16  & 2  &  160 &  249 & $-20.8$ & 7.74 & 3.99 & 2.9  \\
2002.40  &  25  &  16  & 2  &  141 &  212 & $-16.0$ & 7.75 & 4.27 & 3.0  \\
2002.48  & 220  &  32  & 2  &  139 &  184 &  $-3.6$ & 7.60 & 3.92 & 0.8  \\
2003.20  & 220  &  32  & 2  &  147 &  186 &   1.1 & 6.19 & 2.60 & 0.9  \\
2003.49  & 220  &  32  & 2  &  140 &  186 &   0.1 & 7.36 & 3.42 & 0.8  \\
2004.64  & 220  &  32  & 2  &  119 &  170 &  $-8.3$ & 7.02 & 3.22 & 1.1  \\
2004.97  & 220  &  32  & 2  &  129 &  196 & $-26.5$ & 5.37 & 2.10 & 0.9  \\
2005.25  & 220  &  32  & 2  &  121 &  177 &   3.1 & 4.82 & 1.59 & 1.0  \\
2006.17  &  84  &  64  & 1  &  114 &  190 &   2.7 & 4.27 & 1.91 & 1.5  \\
2006.24  &  84  &  64  & 1  &  113 &  207 &   1.4 & 4.31 & 2.01 & 1.5  \\
2006.30  &  84  &  64  & 1  &  111 &  186 &  $-1.0$ & 4.34 & 1.91 & 1.6  \\
2006.37  &  84  &  64  & 1  &  110 &  187 &  $-3.8$ & 4.20 & 1.77 & 1.9  \\
2006.46  &  84  &  64  & 1  &  112 &  188 & $-14.8$ & 4.21 & 1.83 & 1.9  \\
2006.88  &  42  &  32  & 2  &  130 &  276 & $-32.4$ & 4.26 & 2.33 & 1.2  \\
2007.16  &  42  &  32  & 2  &  124 &  266 & $-31.4$ & 6.32 & 3.07 & 1.7  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{8.4~GHz images}\\ \hline
2002.48  & 84  &  32  & 2  &  1180 &  904 &  $-3.6$ & 6.73 & 5.65 & 0.9 \\
\hline
\end{tabular}
%\end{flushleft}
\label{obslog}
\end{table}