2021 Dec 31 1400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.783333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.38889
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      2.66084
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      86.5870 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.43698552 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.166667
p-Class : a
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.760000
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dai
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.44724
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      9.68604
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      40.4983 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.8657687 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.125000
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.481308
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dac
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :      0.00000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :      1.23377
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.32258
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.7399 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.86599788 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0555556
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha