\begin{overpic}[width=0.49\textwidth]{ys_opx_ok10vma_2485_2488}
\put(1,74){\colorbox{white}{(\sublabel{ys_opx_ok10vma_2485_2488}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20160914192409-952588}{ys_opx_ok10vma_2485_2488}}}
%%(\subref{ys_opx_ok10vma_2485_2488}) \href{ys_opx_ok10vma_2485_2488}
\color{red}
\put(3.7,6.8){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160913192342-449920}{spot of ys_opx_ok10vma@2413}} % 20160913192342-449920 % \vs(-7165.1, -1566.0)
\put(18.2,30.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160914192407-662797}{spot of ys_opx_ok10vma@2485}} % 20160914192407-662797 % \vs(-7011.5, -1274.2)
\put(20.4,34.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160914192411-728292}{spot of ys_opx_ok10vma@2486}} % 20160914192411-728292 % \vs(-6988.6, -1225.4)
\put(-1.9,3.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160913192345-860998}{spot of ys_opx_ok10vma@2414}} % 20160913192345-860998 % \vs(-7229.1, -1605.9)
%%scale 100 micro meter
\put(1,1){\line(1,0){8.0}}
\end{overpic}