2021 Sep 20 0000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           2

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.450980
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 :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      53.0389 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38413708 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.100000
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.368201
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      4.90909
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      39.2509 (criterion : 50)
N-S diameter of largest penumbra (deg) :       3.6935372 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0972222
p-Class : h
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hhx
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma