\begin{table}%t3
\caption {Multicolour photometry of GR 290$^1$.
\label{tab:ubvri}}
\small
%\centerline
 {\begin{tabular}{lcccccl}
\hline\hline
\noalign {\smallskip}
  Date & $U$ & $B$ & $V$ & $R$ & $I$ &Notes\\
\noalign {\smallskip}
\hline
\noalign {\medskip}
      Feb. 02, 2003&   
&17.77~$\pm$~0.20&17.70~$\pm$~0.15&17.69~$\pm$~0.10&            &Loiano$^2$\\ 
      Dec. 20, 2003&
&             &             &17.37~$\pm$~0.11&            &Greve \\
      Jan. 15, 2004&
&17.37~$\pm$~0.07&             &17.34~$\pm$~0.08&            &Greve \\
      Jan. 21, 2004&
&17.54~$\pm$~0.08&17.62~$\pm$~0.08&             &            &Greve  \\ 
      Feb. 15, 2004 &
&17.40~$\pm$~0.15&17.56~$\pm$~0.05&17.35~$\pm$~0.05&            &Asiago\\ 
      Oct. 10, 2004&
&             &17.15~$\pm$~0.06&16.90~$\pm$~0.08&            &Greve \\ 
      Dec. 6-7, 2004 &16.22~$\pm$~0.06
&17.09~$\pm$~0.04&17.18~$\pm$~0.03&16.94~$\pm$~0.05&16.93~$\pm$~0.03&Asiago\\
      Jan. 01, 2005&
&             &             &17.05~$\pm$~0.07&17.54~$\pm$~0.24&Greve\\ 
      Jan. 05, 2005&
&             &17.36~$\pm$~0.06&17.06~$\pm$~0.07&17.34~$\pm$~0.26&Greve \\
      Jan. 07, 2005&
&             &             &17.02~$\pm$~0.05&             &Greve\\
      Jan. 30, 2005& 
&17.07~$\pm$~0.05&             &             &             &Greve\\
      Feb. 02, 2005& 
&17.13~$\pm$~0.08&17.24~$\pm$~0.07&             &             &Greve\\
      Feb. 03, 2005& 
&             &17.29~$\pm$~0.10&17.09~$\pm$~0.08&             &Greve\\
\hline
\end{tabular}}
\par
\smallskip
$^{{1}}$ All the Greve measurements are 
a mean of typically 3 to 5 exposures.~~ 
$^{{2}}$ \citet{Polca03} improved values. 
\end{table}