\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_53_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_53_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307100257-074111}{ys_ok10vma_h_53_bse}}}
%%(\subref{ys_ok10vma_h_53_bse}) \href{ys_ok10vma_h_53_bse}
\color{red}
\put(50.0,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307101127-602361}{spot of ys_mer_ok10vma_h@53}} % 20190307101127-602361 % \vs(-3656.0, -2052.0)
%%scale 10 micro meter
\put(1,1){\line(1,0){6.0}}
\end{overpic}