2021 Apr 22 1000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.127660
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      53.2704 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.63805380 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0833333
p-Class : a
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :    0.0901804
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 (+/-) :      52.8000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.5811 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.1842074 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.114286
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 (+/-) :     0.805970
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.24324
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.0389 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4129537 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.133333
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha