2023 Dec 31 1800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           5

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.656805
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.11905
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      29.1229 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.3448333 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.165217
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 (+/-) :      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 :       3
Ratio of magnetic polarity (+/-) :      1.33333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.62500
[ 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) :     0.342857
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.887692
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      1.81250
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      6.41884
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      32.9931 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3293128 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0129870
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.169252
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       5
Ratio of magnetic polarity (+/-) :     0.172152
[ 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) :      0.00000
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Alpha