2021 Sep 23 1800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.881533
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.48276
[ 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) :    0.0100000
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.706507
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.46552
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      5.50030
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.2379 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.85898971 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.183673
p-Class : s
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.150138
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.200508
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      41.8145 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.0173879 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.135294
p-Class : k
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.573290
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma