2021 Sep 10 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      2.05000
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.37500
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.9568 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.3306813 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.140351
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.29664
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      4.27217
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      17.3988 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.0136074 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.161290
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.304414
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 (+/-) :      1.17275
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.34694
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      5.93752
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.6119 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.1365818 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0510511
p-Class : k
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.591518
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dkc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.830882
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.93333
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.0871 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.99702138 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0322581
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.921053
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta