2021 Apr 20 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.39869
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.2860 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.9045424 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.180556
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.361204
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.378082
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.52500
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      6.01047
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.7436 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.51171300 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.250000
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.256250
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.0925 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4512484 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.171429
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :      1.81967
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.21875
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      51.5459 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0829484 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.150000
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha