2021 Apr 23 0900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.333333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.57895
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.7978 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38632671 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0833333
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.157447
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :      28.3000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      37.1818 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3285180 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0363636
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 (+/-) :      5.41667
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.232877
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.25806
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      21.0823 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2560677 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.151899
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha