2023 Dec 31 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.587302
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.13636
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      27.3033 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.4058061 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.176471
p-Class : k
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hkx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.14286
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.41667
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :    0.0100000
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.912000
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      1.77551
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      6.33046
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      30.9382 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3294701 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0405405
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.200000
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta