2021 Apr 19 2000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :      2.03791
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.00000
[ Z-Class Determination ]
Number of spots :           8
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      8.29196
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      115.721 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.86886269 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0666667
p-Class : a
[ c-Class Determination ]
Number of spots :           8
Area ratio (spots/group) :     0.129707
Number of spots with penumbra :           4
c-Class :o
McIntosh Class : Dao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.481994
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      1.52542
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      5.92270
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      44.8797 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.64522549 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.148148
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.289916
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 (+/-) :      15.0333
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      22.6503 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.6007008 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0875000
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha