2021 Apr 21 2000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.45455
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      80.1094 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.5923885 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.181818
p-Class : k
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hkx
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.489796
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.45455
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      1.26503
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.4054 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38254662 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.250000
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :    0.0761905
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
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 :      30.9511 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4453047 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.109375
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :      1.11765
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 :      40.4514 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3182304 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.163265
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha