2021 Sep 20 1000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.106383
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      68.4565 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38604690 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.757576
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cai
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.451128
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.54545
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      47.6516 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25163826 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.111111
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :    0.0100000
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.361045
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.8959 (criterion : 50)
N-S diameter of largest penumbra (deg) :       3.6436482 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : h
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.590604
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Chi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma