2021 Sep 20 1400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.454545
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.32353
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      73.8087 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38600906 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.125000
p-Class : a
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.476190
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cai
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.756098
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.37037
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :     0.345181
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      87.1769 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.37670005 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.250000
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.126667
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Dao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.397229
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.57447
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      11.6535
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      48.7712 (criterion : 50)
N-S diameter of largest penumbra (deg) :       3.3192263 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : h
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.730994
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Ehi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma