2021 Apr 22 0500 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :    0.0944625
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      45.2596 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38274910 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0833333
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :    0.0841751
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      56.8000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      20.5396 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0516757 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.121212
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 (+/-) :     0.630435
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.37143
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.8284 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2939468 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.158730
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha