2021 Apr 20 0800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.92083
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.7764 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0619530 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0333333
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.124224
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.35185
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.72727
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      8.33464
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      30.2621 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.7194267 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0843373
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.405109
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dsc
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :      1.88095
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.16667
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      63.6812 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.5425733 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.166667
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha