2026-07-31 03:28:28UT (2026-07-31 12:28:28JST) Solar Science Observatory NAOJ P=+10.44, B0=+5.70, L0= 31.49, radius=945.0" obs radius= 935.8 (pixel), p_thresh=-0.090, u_thresh=-0.320 ***** Observed Sunspot Parameters ***** -------------------------------------------------------------------------- 10^-6 disk 10^-6 hemis. -10^-6 B_t Group No. p/u position cos(t) ap_area co_area darkness id -------------------------------------------------------------------------- 1: pu S08.94 E04.11, 0.965, 15.27, 7.91, 4.06 5 2: p S08.20 E00.09, 0.971, 6.54, 3.37, 0.94 5 3: p S07.81 W01.47, 0.972, 10.18, 5.24, 1.62 5 4: p S07.82 W03.60, 0.970, 5.45, 2.81, 0.94 5 5: pu S07.51 W04.38, 0.971, 98.87, 50.93, 23.96 5 6: p S06.86 W01.69, 0.976, 18.18, 9.31, 3.22 5 7: pu N03.77 E03.27, 0.998, 259.90, 130.24, 65.48 6 8: p N03.30 E06.20, 0.993, 4.00, 2.01, 0.57 6 9: p N02.88 E03.14, 0.997, 1.82, 0.91, 0.27 6 10: p N04.00 E06.58, 0.993, 2.91, 1.46, 0.36 6 11: p N04.02 E06.06, 0.994, 5.82, 2.93, 0.86 6 12: p N04.00 E05.58, 0.995, 4.00, 2.01, 0.70 6 13: p N05.33 E07.24, 0.992, 33.08, 16.67, 7.67 6 14: p N03.75 W01.12, 0.999, 9.09, 4.55, 1.77 6 15: p N05.87 E05.96, 0.995, 3.64, 1.83, 0.64 6 16: p N05.90 E05.42, 0.996, 1.45, 0.73, 0.23 6 17: p N06.02 E05.74, 0.995, 2.18, 1.10, 0.28 6 18: p N06.30 E05.61, 0.995, 2.91, 1.46, 0.42 6 19: p N06.14 E05.36, 0.996, 1.09, 0.55, 0.16 6 20: p N11.89 E36.84, 0.800, 33.08, 20.68, 4.72 7 21: p N12.10 E34.25, 0.825, 6.91, 4.19, 1.06 7 22: p N12.83 E37.55, 0.791, 45.44, 28.71, 6.64 7 23: pu N12.48 E33.45, 0.832, 13.81, 8.30, 3.29 7 24: p S03.75 W57.46, 0.528, 14.18, 13.43, 1.87 3 25: p N12.97 E36.96, 0.797, 1.09, 0.68, 0.11 7 26: pu N14.08 E34.59, 0.819, 374.04, 228.43, 121.57 7 27: p N13.13 E32.32, 0.842, 8.00, 4.75, 1.47 7 28: p N13.67 E36.45, 0.801, 2.54, 1.59, 0.38 7 29: pu N04.62 W25.59, 0.903, 310.43, 171.98, 93.03 4 30: p N14.41 E37.48, 0.790, 18.90, 11.97, 2.72 7 31: p N14.34 E36.54, 0.799, 8.36, 5.23, 1.21 7 32: p N14.49 E37.95, 0.784, 1.09, 0.70, 0.12 7 33: p N14.92 E36.76, 0.796, 17.08, 10.73, 2.89 7 34: p N05.80 W24.18, 0.913, 25.08, 13.73, 4.13 4 35: p S02.65 W71.30, 0.314, 6.91, 11.00, 0.61 2 36: pu N17.29 E38.85, 0.769, 158.49, 102.99, 34.16 7 37: pu N18.30 E41.64, 0.737, 12.72, 8.63, 2.42 7 38: p N18.78 E42.09, 0.731, 6.91, 4.72, 1.04 7 39: p N19.32 E42.30, 0.727, 9.09, 6.25, 1.41 7 40: pu N15.93 W75.11, 0.273, 121.05, 221.64, 15.27 1 41: u 1 S08.98 E04.14, 0.965, 3.64, 1.88, 1.51 5 42: u 5 S07.58 W04.50, 0.970, 15.27, 7.87, 6.94 5 43: u 7 N02.89 E03.56, 0.997, 4.36, 2.19, 1.82 6 44: u 7 N03.74 E02.83, 0.998, 29.81, 14.93, 16.06 6 45: u 7 N04.40 E03.65, 0.998, 4.00, 2.00, 1.85 6 46: u 23 N12.50 E33.44, 0.832, 2.18, 1.31, 0.81 7 47: u 26 N14.02 E34.58, 0.819, 115.96, 70.80, 67.61 7 48: u 29 N04.60 W25.57, 0.903, 79.97, 44.30, 44.77 4 49: u 36 N17.11 E38.92, 0.769, 19.63, 12.76, 7.56 7 50: u 36 N17.69 E38.80, 0.769, 5.09, 3.31, 1.80 7 51: u 37 N18.32 E41.62, 0.737, 1.09, 0.74, 0.35 7 52: u 40 N15.33 W74.94, 0.276, 6.54, 11.87, 1.46 1 53: u 40 N16.39 W75.14, 0.273, 13.45, 24.65, 3.23 1 -------------------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 disk 10^-6 hemis. -10^-6 B_t Region ap_area co_area darkness North 1505.99 1022.34 377.07 South 175.57 104.00 37.21 Whole 1681.56 1126.34 414.28 ---------------------------------------- ***** Observed Group Parameters ***** --------------------------------------------------------------------- No. position Carr.Lon. f center cos(t) ap_area co_area --------------------------------------------------------------------- 1: N15.90 W75.07, 106.56, 3, 0, 0.274, 121.05, 221.64 2: S02.65 W71.30, 102.80, 1, 0, 0.314, 6.91, 11.00 3: S03.75 W57.46, 88.95, 1, 0, 0.528, 14.18, 13.43 4: N05.00 W25.12, 56.62, 3, 1, 0.906, 335.51, 185.71 5: S07.86 W00.98, 32.47, 8, 1, 0.972, 154.49, 79.57 6: N04.41 E03.64, 27.85, 16, 1, 0.998, 331.88, 166.44 7: N15.25 E37.06, 354.43, 21, 0, 0.792, 717.55, 448.54 --------------------------------------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 4 43 83 South 3 10 40 Whole 7 53 123 ------------------------------------------ Center 3 27 57 dark:pcg20260731_122305_00 flat:pcg20260731_122508_01