2021 Apr 22 0400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.180887
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.9775 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38272140 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.153846
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :    0.0812500
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      29.1869 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.1825388 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.116667
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 (+/-) :     0.908397
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.14286
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      35.1317 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4257509 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.184615
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha