\begin{table}
\caption{\HI\ emission from other galaxies in the field of
NGC~315.} \label{tab2}
%\centerline
{\begin{tabular}{lccccc}
\hline\hline
Name & \multicolumn{2}{c}{Position (J2000)} & $V_{\rm sys}$ & $M_{\rm HI}$ & sep \\
\cline{2-3}
 & RA & Dec & (\kms) & ($10^7~M_\odot$) & (kpc) \\
\hline
 J05730+3011 & $00^{\rm h}57^{\rm m}30^{\rm s}$ & $30^\circ 11^\prime 05^{\prime\prime}$ & 4888 & 66.7 & 214 \\
 J05819+3016 & $00^{\rm h}58^{\rm m}19^{\rm s}$ & $30^\circ 16^\prime 05^{\prime\prime}$ & 5280 & 4.0 & 164 \\
 J05755+3024 & $00^{\rm h}57^{\rm m}55^{\rm s}$ & $30^\circ 24^\prime 32^{\prime\prime}$ & 4208 & 38.2 & 75 \\
 J05642+3027 & $00^{\rm h}56^{\rm m}42^{\rm s}$ & $30^\circ 27^\prime 13^{\prime\prime}$ & 5007 & 77.8 & 308 \\
 J05700+3027 & $00^{\rm h}56^{\rm m}59^{\rm s}$ & $30^\circ 27^\prime 15^{\prime\prime}$ & 5246 & 83.4 & 246 \\
% J005741+3031 & $00^{\rm h}57^{\rm m}41^{\rm s}$ & $30^\circ 31^\prime 09^{\prime\prime}$ & 4854 & 291 \\
\hline
\end{tabular}}
The last column (sep) gives the distance (in kpc) of these
galaxies from NGC~315.
\end{table}