\begin{table}%t2
\caption{Cross-identification of the open clusters.}\label{tab2}
\renewcommand{\tabcolsep}{1.4mm}
\par
\small %\centerline
 {\begin{tabular}{lllll}
\hline\hline
Desig\#1&Desig\#2&Desig\#3&Desig\#4&References\\
(1)&(2)&(3)&(4)&(5)\\
\hline
Berkeley~23 & FSR~917      &   --         &  --     & 1, 2\\
Berkeley~69 & FSR~793      &   --         &  --     & 1, 2\\
Berkeley~71 & FSR~810      &   ---         & --     & 1, 2\\
Czernik~23  & FSR~834      &   --         & --     & 1, 2\\
NGC~1798    & Berkeley~16  & FSR~705      & --     & 1, 1, 2\\
NGC~1883    & Collinder~64 & FSR~729      & --     & 1, 1, 2\\
NGC~2126    & Melotte~39   & Collinder~78 & FSR~730 & 1, 1, 1, 2\\
FSR~814     & Koposov~36   &   --         & --     & 2, 3\\
FSR~869     & Koposov~63   &   --         &  --     & 2, 3\\
 \hline
\end{tabular}}
\medskip
 (1) -- \citet{Alter70}; (2) -- \citet{FSRcat}; (3) -- \citet{GKZ07}.
\end{table}