2021 Apr 20 1000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.67754
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      9.63616
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      52.0482 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2284282 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0833333
p-Class : a
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.232446
Number of spots with penumbra :           4
c-Class :o
McIntosh Class : Dao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.30942
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      2.14706
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      8.50739
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.3911 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4534106 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.102564
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.376667
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :      1.60377
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.12903
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      54.0953 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3276859 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.181818
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha