2021 Apr 20 2200 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.16776
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      38.7337 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.6847606 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.186047
p-Class : h
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.426923
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Chi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.324324
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.02941
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      6.29801
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      37.3838 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.51069096 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.245000
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :      78.6000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      30.1288 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4480076 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.157143
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 (+/-) :      1.93421
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.18750
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.6295 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4578213 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.184211
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha