\begin{table}%t1 \caption{Journal of the observations.}\label{log_tab} \small%\centerline { \begin{tabular}{cccccc} \hline\hline Date & band & start & No. of & Eclipse$^1$& phase \\ 1996 & & (UT) & frames & cycle & range \\ \hline 10/26& $H$ & 19:00 & 1362 & 30138 & --0.86, +0.50 \\ & & & & 30139 & --0.50, +0.20 \\ 10/27& $H$ & 20:00 & 760 & 30144 & --0.28, +0.56 \\ 10/27& $K_{\rm s}$ & 23:16 & 590 & 30145 & --0.42, +0.24 \\ 10/28& $J$ & 19:15 & 1212 & 30150 & --0.15, +0.50 \\ & & & & 30151 & --0.50, +0.34 \\ \hline \end{tabular}} \medskip $^1$ With respect to the ephemeris of Eq.~(\ref{efem}). \end{table}