2020-02-21 00:03:20UT (2020-02-21 09:03:20JST)  Solar Science Observatory NAOJ

P=-19.12, B0=-7.03, L0=119.25, radius=971.3"
obs radius= 972.1 (pixel), p_thresh=-0.110, u_thresh=-0.380

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------


               no sunspot


     ---------------------------------------------------------------


dark:pcg20200221_085643_00 flat:pcg20200221_085938_01