2021 Sep 20 1100 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.322148
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.50000
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      73.6966 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38603328 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.613636
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cai
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.692857
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.33333
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.8438 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.37702029 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.222222
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.800000
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.314159
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.08000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.3127 (criterion : 50)
N-S diameter of largest penumbra (deg) :       3.4112346 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.102273
p-Class : h
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.717949
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Chi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma