2021 Apr 23 0400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.259887
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      4.42857
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      55.0569 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.51360975 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : a
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :    0.0847458
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :      31.3000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.2830 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0594853 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0714286
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 (+/-) :     0.327044
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.39394
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      21.1347 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3865367 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.139535
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha