\begin{table}%T1
\caption{\label{measures}Double star speckle measures.}
%\centerline
{
\begin{tabular}{rlrrccrrl}
\hline \hline
{ADS} & {Discoverer} & HD & HIP & WDS & {Date} & {$\theta$} & {$\rho$} & {$\Delta m$} \\
{} & {Designation} && & {($\alpha$, $\delta$ J2000.0)} & {(BY)} & {($^{\circ}$)} & {($^{\prime \prime}$)}\\
\hline
   755      & STF  73AB              &   5286   &   4288 & $00550+2338$
  & 2001.8127 &   311.5    &  0.935    & 1.17 $^{b}$ \\
&&&&
  & 2001.8178 &   310.5    &  0.936    & 0.43  \\
&&&&
  & 2001.8207 &   311.0    &  0.936    & 0.53  \\
  2616      & STF 412AB              &  22091   &  16664 & $03344+2428$
  & 2001.8208 &  175.8     &  0.651   & 0.35  $^{a}$ \\
&&&&
  & 2001.8261 &  176.2     &  0.646   & 0.58  $^{a}$ \\
  3711      & STT  98                &  33054   &  23879 & $05079+0830$
  & 2001.8157 &   319.8    &  0.743   & 0.52  \\
 16836      & BU  720                & 221673   & 116310 & $23340+3120$
  & 2001.8124 &   95.8    &  0.560     & 0.57 $^{b}$ \\
&&&&
  & 2001.8208 &   97.2    &  0.585     & 0.36  \\
&&&&
  & 2001.8260 &   92.8    &  0.589     & 0.90 $^{b}$ \\
\hline
\end{tabular}}
\smallskip
\hspace*{25mm}{$^a$} There is an ambiguity of 180 degrees in the position angle compared to previous observations.\\
\hspace*{25mm}{$^b$} Observation was taken at low elevation. This may affect the quality of the result.
\end{table}