\begin{overpic}[width=0.49\textwidth]{cbk1_h_06_ol}
\put(1,74){\colorbox{white}{(\sublabel{cbk1_h_06_ol}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308144548-884001}{cbk1_h_06_ol}}}
%%(\subref{cbk1_h_06_ol}) \href{cbk1_h_06_ol}
\color{red}
\put(59.5,80.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161005195559-869491}{spot of ys_ol_cbk1a@1899}} % 20161005195559-869491 % \vs(-492.0, 434.9)
\put(54.7,28.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161005195600-324281}{spot of ys_ol_cbk1a@1900}} % 20161005195600-324281 % \vs(-521.0, 280.4)
\put(50.0,39.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113535-094442}{spot of to_olr_cbk1a_h@6}} % 20190308113535-094442 % \vs(-532.5, 313.6)
\put(74.9,58.6){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113535-063066}{spot of to_olr_cbk1a_h@7}} % 20190308113535-063066 % \vs(-450.1, 367.5)
%%scale 10 micro meter
\put(1,1){\line(1,0){3.0}}
\end{overpic}