\begin{table}%tA.1%tA.2
\caption{\label{tabA.1}Photometry of  two images of SDSS J0903+5028 quasar.}
%\centering
\small
{
\begin{tabular}{c c c}
\hline\hline
A&B&JD\\
(mag)&(mag)&(days)\\
\hline
20.30419 & 20.61679 & 61.732670\\
20.30074 & 20.61527 & 79.761260\\
20.30507 & 20.60809 & 106.76752\\
20.30473 & 20.61668 & 107.72829\\
20.30655 & 20.61970 & 108.77146\\
20.30474 & 20.61881 & 109.75729\\
20.30363 & 20.61556 & 111.70990\\
20.30291 & 20.61626 & 134.49363\\
20.30774 & 20.61529 & 135.60198\\
20.30557 & 20.61790 & 137.56633\\
20.30945 & 20.61812 & 138.65267\\
20.30545 & 20.61433 & 139.65707\\
20.30296 & 20.61801 & 157.56273\\
20.30661 & 20.62338 & 171.54778\\
20.30592 & 20.62005 & 172.58139\\
20.30660 & 20.62089 & 185.40632\\
20.30960 & 20.62697 & 191.46353\\
20.30862 & 20.62502 & 199.52655\\
20.29831 & 20.61721 & 428.69561\\
20.30180 & 20.62714 & 430.74676\\
20.29676 & 20.61238 & 431.69420\\
20.29825 & 20.61207 & 432.73686\\
20.29982 & 20.61431 & 435.74226\\
20.30070 & 20.61477 & 449.59337\\
20.29906 & 20.61360 & 453.71216\\
20.29610 & 20.60806 & 465.70068\\
20.30069 & 20.61581 & 467.67382\\
20.29816 & 20.60991 & 469.74747\\
20.30101 & 20.61356 & 483.76553\\
20.30075 & 20.61761 & 495.56600\\
20.30173 & 20.61585 & 501.74698\\
20.30377 & 20.61614 & 508.74511\\
\hline
\end{tabular}}
\end{table}