\begin{table}%T4 \par \caption{\label{logpsiper}Observation log for the Be star $\psi$ Per (HD 22192) and its calibrator (Col.~1). Apart from the baseline information (Cols.~3 and~4).} \small%\centerline { \begin{tabular}{lccccc} \hline\hline Star & UT & $B$(m) & PA($^\circ$) & $r_0$(cm) & Spectral band(nm)\\ \hline HD 12303 & 11:23 & 29.56 & --33.42 & 9 & [650--660]\\ Psi Per & 11:33 & 32.35 & --20.92 & 9 & [650--660]\\ HD 12303 & 11:43 & 29.03 & --36.21 & 9 & [650--660]\\ \hline \end{tabular}} \smallskip The table gives the time of observation (Col.~2), the $r_0$ value (Col.~5) and the spectral band used for processing (Col.~6). \end{table}