2021 Apr 22 0900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :    0.0821643
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.9775 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38249694 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.120120
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 (+/-) :      37.1250
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      25.8802 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.1841151 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.119403
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 (+/-) :     0.855072
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 :      29.2306 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4140834 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.161765
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha