2023 Dec 31 1500 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.617977
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.12195
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.1805 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.1981430 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.158730
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 (+/-) :      1.15385
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.54167
[ 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) :     0.464286
Number of spots with penumbra :           0
c-Class :i
McIntosh Class : Bxi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.896226
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.86275
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      6.34892
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      32.4554 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.5713035 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0117647
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.226962
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta