2021 Sep 28 0500 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.311377
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.95455
[ 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 (+/-) :     0.484252
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.41176
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      44.8574 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.53672636 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.333333
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.208333
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.215054
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.36000
[ 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