\begin{overpic}[width=0.49\textwidth]{cbk1_h_03_ol}
\put(1,74){\colorbox{white}{(\sublabel{cbk1_h_03_ol}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308120400-408973}{cbk1_h_03_ol}}}
%%(\subref{cbk1_h_03_ol}) \href{cbk1_h_03_ol}
\color{red}
\put(46.7,46.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160929201633-501737}{spot of ys_ol_cbk1a@1809}} % 20160929201633-501737 % \vs(6740.4, -4093.2)
\put(52.9,53.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113536-555322}{spot of to_ol_cbk1a_h@24}} % 20190308113536-555322 % \vs(6760.1, -4073.6)
\put(49.5,40.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113535-020043}{spot of to_ol_cbk1a_h@3}} % 20190308113535-020043 % \vs(6746.8, -4111.6)
%%scale 10 micro meter
\put(1,1){\line(1,0){4.0}}
\end{overpic}