\begin{table}%t1
\caption{Galaxy centers.\label{tabcenters}}
%\centering
\par
\begin{tabular}{lrrl}
\hline\hline
UGC & \multicolumn{2}{c}{~RA~~~(2000)~~~Dec.} & Comments\\
\hline
\tskip
731  & {1}$^{\rm h}${10}$^{\rm m}${43.0}$^{\rm s}$ &  {49}$^{\circ}${36}$'${7}$''$ & Kinematic center \\
2455 & {2}$^{\rm h}${59}$^{\rm m}${42.6}$^{\rm s}$ &  {25}$^{\circ}${14}$'${34}$''$ & Center of \HI\ distribution \\
4173 & {8}$^{\rm h}${7}$^{\rm m}${8.7}$^{\rm s}$ &    {80}$^{\circ}${7}$'${38}$''$ & New optical center \\
4325 & {8}$^{\rm h}${19}$^{\rm m}${20.3}$^{\rm s}$ &  {50}$^{\circ}${0}$'${36}$''$ & Kinematic center \\
5414 & {10}$^{\rm h}${3}$^{\rm m}${57.2}$^{\rm s}$ &  {40}$^{\circ}${45}$'${22}$''$ & New optical center \\
5721 & {10}$^{\rm h}${32}$^{\rm m}${16.6}$^{\rm s}$ & {27}$^{\circ}${40}$'${8}$''$ & Kinematic center \\
8188 & {13}$^{\rm h}${5}$^{\rm m}${51.4}$^{\rm s}$ &  {37}$^{\circ}${35}$'${56}$''$ & Center of \HI\ distribution \\
8490 & {13}$^{\rm h}${29}$^{\rm m}${36.4}$^{\rm s}$ & {58}$^{\circ}${25}$'${10}$''$ & Kinematic center \\
8837 & {13}$^{\rm h}${54}$^{\rm m}${43.2}$^{\rm s}$ & {53}$^{\circ}${53}$'${42}$''$ & Center of \HI\ distribution \\
\hline
\end{tabular}
\end{table}