2021 Sep 20 1200 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.331169
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.76000
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      53.7366 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38602500 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0588235
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.659574
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Cai
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.688525
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.33333
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.8590 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25108927 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.520000
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.435208
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      3.25532
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      52.3561 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.8149605 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.136986
p-Class : k
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.812950
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma