2021 Sep 20 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.689655
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.27027
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.336283
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 (+/-) :      1.91304
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.44444
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      47.2261 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.75078380 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.100000
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 (+/-) :     0.438356
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      5.10526
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      41.9735 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.9011369 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.162791
p-Class : h
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.567568
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Chi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma