2020 Dec 31 0400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.525547
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.14634
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      14.7389 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.4669242 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.185714
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      0.00000
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      48.7634 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.62024601 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.153846
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.193798
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      37.9866 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.49656283 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.153846
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.379310
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha