2021 Apr 22 1300 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.185185
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      57.1614 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.51090500 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.238636
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      18.2667
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      25.4745 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0535037 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0937500
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 (+/-) :     0.664286
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.12121
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      25.4051 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2802450 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha