\begin{overpic}[width=0.49\textwidth]{ys_ol_CBK1a_51_55_BSE}
\put(1,74){\colorbox{white}{(\sublabel{ys_ol_CBK1a_51_55_BSE}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20170429154717-226811}{ys_ol_CBK1a_51_55_BSE}}}
%%(\subref{ys_ol_CBK1a_51_55_BSE}) \href{ys_ol_CBK1a_51_55_BSE}
\color{red}
\put(83.7,49.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170429154711-521792}{spot of ys_ol_CBK1a@51}} % 20170429154711-521792 % \vs(-5503.8, 1924.1)
\put(38.5,46.9){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226101132-569448}{spot of ys_ol_CBK1a@55}} % 20190226101132-569448 % \vs(-5860.9, 1913.4)
\put(72.7,52.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226101131-138992}{spot of ys_ol_CBK1a@52}} % 20190226101131-138992 % \vs(-5590.4, 1947.3)
\put(54.7,64.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226101131-863196}{spot of ys_ol_CBK1a@53}} % 20190226101131-863196 % \vs(-5731.0, 2042.9)
\put(38.1,53.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190226101132-678436}{spot of ys_ol_CBK1a@54}} % 20190226101132-678436 % \vs(-5863.3, 1964.4)
%%scale 100 micro meter
\put(1,1){\line(1,0){13.0}}
\end{overpic}