\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_56_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_56_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307103521-576447}{ys_ok10vma_h_56_bse}}}
%%(\subref{ys_ok10vma_h_56_bse}) \href{ys_ok10vma_h_56_bse}
\color{red}
\put(59.7,67.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141438-940199}{spot of ys_pl_ok10vma_h@55}} % 20190304141438-940199 % \vs(7072.0, -3272.0)
\put(50.0,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141438-800688}{spot of ys_pl_ok10vma_h@56}} % 20190304141438-800688 % \vs(7058.0, -3313.0)
%%scale 10 micro meter
\put(1,1){\line(1,0){7.0}}
\end{overpic}