\begin{table}
%\caption{receivers used for the observations}
%\begin{flushleft}
%\begin{tabular}  {ll}
%\noalign{\smallskip}
%\hline
%  Code as     &                                                     \\
%  given in    &          Description                                \\
% the tables   &                                                     \\
%\hline
%\noalign{\smallskip}
%              &       Single channel receivers                     \\
%\hline
%\noalign{\smallskip}
%     PM1      &    photomultiplier EMI9789QA (Catania, Italia)\\
%     PM2      &    photom. EMI9789QA (ESO, Chile) \\
%     PM3      &    photom. Hamamatsu R943-02 (ESO, Chile) \\
%     PM4      &    photom. EMI9502B (Bucarest, Romania )     \\
%     PM5      &    photom. WBVR single ch. (Nauchnyi, Crimea)     \\
%     PM6      &    photom. 1P21 (Lumezzane, Italy)     \\
%     PM7      &    photom. (Fan Mt. obs., Charlottesville, USA)     \\
%     PMB      &    photom. TELOC II B channel (Calern, France)      \\
%     PMV      &    photom. TELOC II V channel (Calern, France)      \\
%     PMR      &    photom. TELOC II R channel (Calern, France)      \\
%
%\hline
%\noalign{\smallskip}
%              &       Two-dimensional receivers                       \\
%\hline
%\noalign{\smallskip}
%     CCD1     &    CCD THX7863 target (Bordeaux, France)     \\
%     CCD2     &    CCD THX7863 target (OHP, France)  \\
%     CCD3     &    CCD "Astriane", THX7863 target (PDM, France) \\
%     CCD4     &    CCD CAM2 (Itajuba, Brazil)        \\
%     CCD5     &    CCD ST-6V (Assy and Almaty, Kazakhstan)         \\
%     CCD6     &    CCD Lynxx  Stuttgart, Germany)      \\
%     CCD7     &    CCD Sony ICX027BL (Chelmsford, UK) \\
%     CCDV1    &    video mode unc. intensified CCD MXRII \\
%              &     HCS Vision Techn (Meudon, France) \\
%
%\noalign{\smallskip}
%\hline
%\end{tabular}
%\end{flushleft}
%\end{table}