2023 Oct 21 2100 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.587189
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.35000
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      35.4269 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.43203778 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.166667
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.462500
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :    0.0714286
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      20.6376 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.7472330 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.133803
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :      5.81333
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.314815
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Alpha