2020 Dec 31 2200 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.611872
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 :      20.0487 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.6099416 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.164557
p-Class : h
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hhx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.124579
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      52.7935 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.50559184 (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) :     0.234848
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Alpha

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 :      31.8759 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25002068 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha