2021 Sep 21 0000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.806452
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.40000
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           5
Longitudinal extent of this spot group (deg) :      6.27890
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      38.9041 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.64211187 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.160000
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.417431
Number of spots with penumbra :           5
c-Class :c
McIntosh Class : Dsc
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.833333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.67742
[ 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) :     0.156250
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :      80.0000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.7126 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.62169440 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.217391
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.281005
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 :           2
Longitudinal extent of this spot group (deg) :      10.8270
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      37.4980 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.2732596 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.129032
p-Class : k
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.736170
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Eki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma