2025-08-20 01:00:20UT (2025-08-20 10:00:20JST) Solar Science Observatory NAOJ P=+17.69, B0=+6.86, L0=265.98, radius=948.0" obs radius= 942.9 (pixel), p_thresh=-0.115, u_thresh=-0.395 ***** Observed Sunspot Parameters ***** -------------------------------------------------------------------------- 10^-6 hemisphere -10^-6 B_t Group No. p/u position cos(t) ap_area co_area darkness id -------------------------------------------------------------------------- 1: pu S08.87 E57.02, 0.516, 76.62, 74.32, 16.72 5 2: pu S18.44 E09.27, 0.892, 49.05, 27.50, 11.84 3 3: p S18.93 E06.79, 0.894, 18.98, 10.62, 4.82 3 4: pu S18.91 E05.60, 0.896, 71.61, 39.96, 17.56 3 5: p S18.07 W37.69, 0.710, 1.07, 0.76, 0.15 1 6: pu N07.36 E44.97, 0.712, 9.31, 6.54, 2.19 4 7: p N06.44 W06.23, 0.994, 2.86, 1.44, 0.64 2 8: p N09.50 W09.49, 0.986, 1.43, 0.73, 0.27 2 9: p N09.45 W10.06, 0.984, 2.86, 1.46, 0.47 2 10: u 1 S08.89 E57.02, 0.515, 19.33, 18.76, 7.82 5 11: u 2 S18.41 E09.36, 0.892, 3.58, 2.01, 1.69 3 12: u 4 S19.03 E05.61, 0.895, 5.01, 2.80, 2.29 3 13: u 6 N07.35 E44.96, 0.712, 1.43, 1.01, 0.54 4 -------------------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-6 B_t Region ap_area co_area darkness North 16.47 10.16 3.57 South 217.34 153.15 51.09 Whole 233.81 163.31 54.66 ---------------------------------------- ***** Observed Group Parameters ***** --------------------------------------------------------------------- No. position Carr.Lon. f center cos(t) ap_area co_area --------------------------------------------------------------------- 1: S18.07 W37.69, 303.67, 1, 0, 0.710, 1.07, 0.76 2: N08.16 W08.32, 274.30, 3, 1, 0.989, 7.16, 3.62 3: S18.73 E07.33, 258.65, 5, 1, 0.894, 139.64, 78.08 4: N07.36 E44.96, 221.02, 2, 0, 0.712, 9.31, 6.54 5: S08.88 E57.02, 208.96, 2, 0, 0.515, 76.62, 74.32 --------------------------------------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 2 5 25 South 3 8 38 Whole 5 13 63 ------------------------------------------ Center 2 8 28 dark:pcg20250820_100146_00 flat:pcg20250820_085406_01