13 Jan 2025, 00:03:23 (UT)
P=-3.830, B0=-4.35, L0=278.7, radius=977.3"
obs radius = 871.2 (pixel), RMS=162.7 10^-4 I_c
***** Observed Sunspot Parameters *****
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10^-6 hemisphere -10^-2 I_c
No. position cos(t) ap_area co_area darkness
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1: S18.27 W46.01, 0.681, 18.03, 13.23, 864
2: S23.34 E19.99, 0.890, 1.25, 0.70, 36
3: S19.27 W21.50, 0.900, 0.83, 0.46, 20
4: S19.19 W21.64, 0.900, 0.83, 0.46, 21
5: S12.09 W65.63, 0.418, 16.35, 19.56, 513
6: S13.80 E3.377, 0.984, 1.25, 0.63, 34
7: N4.218 W4.598, 0.985, 236.13, 119.78, 13513
8: N10.37 W66.89, 0.371, 176.57, 237.83, 8510
9: N4.220 W3.328, 0.987, 8.38, 4.24, 327
10: N11.19 W60.09, 0.472, 33.55, 35.47, 1114
11: N6.491 E0.374, 0.982, 11.74, 5.97, 416
12: N6.958 E1.295, 0.980, 144.28, 73.58, 6856
13: N6.784 E0.035, 0.981, 2.51, 1.28, 64
14: N7.899 E0.969, 0.977, 8.38, 4.29, 293
15: N19.78 W42.29, 0.668, 20.97, 15.68, 888
16: N17.69 E72.55, 0.261, 209.71, 400.73, 9276
17: N21.00 W36.59, 0.720, 4.19, 2.91, 111
18: N21.71 W36.63, 0.715, 4.19, 2.93, 117
19: N19.43 E72.55, 0.256, 13.42, 26.14, 340
20: N24.10 W10.63, 0.863, 0.83, 0.48, 23
Umbra only
21: N4.032 W4.660, 0.986, 15.51, 7.86, 2123
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* = False spots
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10^-6 hemisphere -10^-2 I_c
Region ap_area co_area darkness
North 874.92 931.38 41848
South 38.58 35.07 1488
Whole 913.51 966.46 43336
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***** Relative Sunspot Numbers *****
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Region g f 10*g + f
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North 5 15 65
South 5 6 56
Whole 10 21 121
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Center 4 11 51
Seeing 3