\begin{overpic}[width=0.49\textwidth]{ok10vma_h_26_ol}
\put(1,74){\colorbox{white}{(\sublabel{ok10vma_h_26_ol}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307155046-230259}{ok10vma_h_26_ol}}}
%%(\subref{ok10vma_h_26_ol}) \href{ok10vma_h_26_ol}
\color{red}
\put(36.2,63.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160921191757-012554}{spot of ys_ol_ok10vma@1994}} % 20160921191757-012554 % \vs(-3192.8, -5594.1)
\put(98.4,18.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160921191810-800963}{spot of ys_ol_ok10vma@1995}} % 20160921191810-800963 % \vs(-3003.2, -5732.2)
\put(61.5,43.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141434-756231}{spot of ys_ol_ok10vma_h@1}} % 20190304141434-756231 % \vs(-3115.6, -5655.6)
\put(99.5,36.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141434-938045}{spot of ys_ol_ok10vma_h@2}} % 20190304141434-938045 % \vs(-3000.6, -5676.2)
\put(49.9,43.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190307112321-470122}{spot of to_ol_ok10vma_h@26}} % 20190307112321-470122 % \vs(-3150.3, -5656.8)
%%scale 10 micro meter
\put(1,1){\line(1,0){3.0}}
\end{overpic}