\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_23_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_23_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190306093540-924324}{ys_ok10vma_h_23_bse}}}
%%(\subref{ys_ok10vma_h_23_bse}) \href{ys_ok10vma_h_23_bse}
\color{red}
\put(66.2,3.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170825121742-480633}{spot of ys_di_OK10VMa@1}} % 20170825121742-480633 % \vs(7625.5, -4874.6)
\put(48.8,40.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141437-631106}{spot of ys_pl_ok10vma_h@23}} % 20190304141437-631106 % \vs(7597.1, -4815.2)
\put(56.3,65.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307112320-182825}{spot of to_pl_ok10vma_h@14}} % 20190307112320-182825 % \vs(7609.3, -4776.6)
%%scale 10 micro meter
\put(1,1){\line(1,0){6.0}}
\end{overpic}