\begin{overpic}[width=0.49\textwidth]{ys_ol_cbk1a_1841_1850}
\put(1,74){\colorbox{white}{(\sublabel{ys_ol_cbk1a_1841_1850}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193021-844401}{ys_ol_cbk1a_1841_1850}}}
%%(\subref{ys_ol_cbk1a_1841_1850}) \href{ys_ol_cbk1a_1841_1850}
\color{red}
\put(28.7,24.9){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193021-627051}{spot of ys_ol_cbk1a@1844}} % 20160930193021-627051 % \vs(1360.4, -4723.8)
\put(49.6,29.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193022-664807}{spot of ys_ol_cbk1a@1845}} % 20160930193022-664807 % \vs(1610.4, -4686.0)
\put(47.0,35.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193024-371179}{spot of ys_ol_cbk1a@1846}} % 20160930193024-371179 % \vs(1586.3, -4614.6)
\put(78.8,25.9){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193026-603924}{spot of ys_ol_cbk1a@1848}} % 20160930193026-603924 % \vs(1948.4, -4757.0)
\put(15.9,34.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193019-059956}{spot of ys_ol_cbk1a@1843}} % 20160930193019-059956 % \vs(1219.0, -4601.7)
\put(68.2,36.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193025-256791}{spot of ys_ol_cbk1a@1847}} % 20160930193025-256791 % \vs(1835.9, -4622.3)
\put(76.2,44.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170510080411-480473}{spot of ys_dnd_CBK1a@41}} % 20170510080411-480473 % \vs(1937.8, -4534.7)
\put(78.2,48.9){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170510080421-654070}{spot of ys_dnd_CBK1a@42}} % 20170510080421-654070 % \vs(1966.2, -4484.6)
\put(85.2,38.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170510080425-999785}{spot of ys_dnd_CBK1a@43}} % 20170510080425-999785 % \vs(2036.6, -4618.8)
\put(76.5,44.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170516194022-719206}{spot of ys_dnd_CBK1a@49}} % 20170516194022-719206 % \vs(1941.9, -4532.3)
\put(85.0,38.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170517192738-220086}{spot of ys_dnd_CBK1a@50}} % 20170517192738-220086 % \vs(2034.5, -4618.2)
\put(78.3,49.1){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113537-013647}{spot of to_dnd_cbk1a_h@39}} % 20190308113537-013647 % \vs(1967.9, -4482.2)
\put(77.6,35.3){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113537-840638}{spot of to_dnd_cbk1a_h@40}} % 20190308113537-840638 % \vs(1944.8, -4645.0)
\put(89.5,73.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20160930193027-263673}{spot of ys_ol_cbk1a@1849}} % 20160930193027-263673 % \vs(2124.5, -4205.9)
%%scale 100 micro meter
\put(1,1){\line(1,0){8.0}}
\end{overpic}