\begin{table}
%\caption{Main sites of observation}
%\begin{flushleft}
%\begin{tabular}  {lllllllllll}
%\hline
%\noalign{\smallskip}
%                    & \multicolumn{4}{c}{Longitude} & \multicolumn{4}{c}{Latitude} & elevation \\
% Main observatories        &h  &m   &s &  & \degr & \arcmin & \arcsec &   & meters \\
%\hline
%\noalign{\smallskip}
%Almaty, Fesenkov Astrophys. 
%Inst. (Kazakhstan)         &5  &7  &49  &E &43 &11  &10&N &    1450 \\
%Assy, Fesenkov Astrophys. 
%Inst. (Kazakhstan)         &5  &11 &31  &E&43 &13  &20&N &     2750 \\ 
%Bordeaux (France)          &0  &2  &6.6 &W &44 &50  &7 &N &      73 \\
%Bucarest, Astron. Inst. 
%of Acad. (Romania)         &1 &44 &23.1 &E &44 &24 &50 &N &      86 \\
%Calern, OCA/CERGA (France) &0 &27 &41.2 &E &43 &45 &17 &N &    1282 \\
%Catania, Serra La Nave 
%(Italy)                    &0 &59 &55.0 &E &37 &41 &30 &N &    1725 \\
%Charlottesville (USA)      &5 &22 &11.3 &W &38  &2 &0  &N &    100  \\
%Chelmsford (UK)            &0  &1 &58.9 &E &51 &44 &40 &N &    100  \\ 
%Crimean Lab., SAI Moscow obs. 
%station at Nauchny (Crimea)&2 &16 &4    &E &44 &43 &37 &N &     600 \\ 
%Itajuba, OPD/Lab. Nacional de Astrofisica
%(Brazil)   &3 & 2 &19.8 &W &22 &32  &4 &S &    1864 \\
%La Silla (ESO, Chile)      &4 &42 &55.1 &W &29 &15 &26 &S &    2200 \\
%Lumezzane, obs. S. Zani (Italy)
%                           &0 &40 &57.8 &E &45 &39 &59 &N &     830 \\ 
%Meudon, Paris-Meudon 
%obs. (France)              &0  &8 &55.5 &E &48 &48 &18 &N &     162 \\
%OHP, Haute-Provence obs. 
%(France)                   &0 &22 &52.0 &E &43 &55 &46 &N &     665 \\
%Pic-du-Midi, Midi-Pyrénées obs. 
%(France)                   &0 & 0 &34.2 &E &42 &56 &12 &N &    2861 \\
%Stuttgart (Germany)        &0 &36 &32.0 &E &48 &42 & 0 &N &    100 \\ 
%
%\noalign{\smallskip}
%\hline
%\end{tabular}
%\end{flushleft}
\par
%\end{table}