2021 Aug 28 0000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.43333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.16000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      7.22917
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      17.9442 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.87021873 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.155556
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.247619
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.851782
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :          10
Number of spots with penumbra :           6
Longitudinal extent of this spot group (deg) :      13.4863
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      24.7759 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.6343258 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.132075
p-Class : s
[ c-Class Determination ]
Number of spots :          10
Area ratio (spots/group) :     0.347072
Number of spots with penumbra :           6
c-Class :o
McIntosh Class : Eso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       4
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      47.4781 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25034340 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.285714
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha