28 Feb 2025, 02:49:04 (UT)
P=-21.33, B0=-7.21, L0=31.47, radius=970.3"
obs radius = 868.7 (pixel), RMS=97.44 10^-4 I_c
***** Observed Sunspot Parameters *****
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10^-6 hemisphere -10^-2 I_c Group
No. position cos(t) ap_area co_area darkness id
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* 1: S58.45 W88.55, 0.119, 1.26, 5.27, 19
* 2: S56.73 W88.51, 0.118, 0.84, 3.54, 14
* 3: S56.46 W88.37, 0.120, 0.84, 3.51, 12
4: S11.99 W77.11, 0.242, 15.18, 31.31, 278 1
5: S11.24 E5.722, 0.992, 22.77, 11.47, 524 4
6: S9.421 E8.930, 0.987, 15.60, 7.90, 328 4
7: N16.50 W36.96, 0.724, 5.06, 3.49, 89 2
8: N5.250 E37.54, 0.771, 57.78, 37.43, 1457 5
9: N17.67 E3.618, 0.905, 514.98, 284.42, 20582 3
10: N16.65 E5.980, 0.909, 4.21, 2.31, 66 3
11: N17.37 E6.491, 0.903, 6.74, 3.73, 114 3
12: N16.77 E8.794, 0.902, 10.54, 5.84, 181 3
13: N20.73 E12.40, 0.861, 0.84, 0.48, 12 3
14: N21.02 E12.18, 0.860, 0.84, 0.49, 13 3
15: N21.23 E11.89, 0.859, 2.53, 1.47, 41 3
16: N21.13 E12.31, 0.858, 0.84, 0.49, 12 3
17: N21.99 E11.81, 0.853, 28.25, 16.55, 699 3
18: N23.74 E42.17, 0.622, 3.79, 3.04, 57 6
Umbra only
19: N16.73 E4.602, 0.910, 5.90, 3.24, 435 3
20: N17.58 E3.376, 0.906, 26.15, 14.42, 2139 3
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* = False spots
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10^-6 hemisphere -10^-2 I_c
Region ap_area co_area darkness
North 636.45 359.79 23323
South 53.56 50.69 1130
Whole 690.02 410.48 24453
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***** Observed Group Parameters *****
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No. position Carr.Lon. f center cos(t) ap_area co_area
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1: S12.00 W77.12, 108.55, 1, 0, 0.242, 15.18, 31.32
2: N16.50 W36.97, 68.39, 1, 0, 0.724, 5.06, 3.49
3: N18.81 E6.932, 24.50, 11, 1, 0.892, 569.82, 315.82
4: S10.38 E7.252, 24.18, 2, 1, 0.991, 38.38, 19.37
5: N5.250 E37.55, 353.88, 1, 0, 0.772, 57.78, 37.43
6: N23.75 E42.17, 349.26, 1, 0, 0.623, 3.80, 3.05
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***** Relative Sunspot Numbers *****
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Region g f 10*g + f
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North 4 14 54
South 2 3 23
Whole 6 17 77
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Center 2 13 33
Seeing 2