2021 Apr 20 0400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.96567
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.52632
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           3
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.5826 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.43060274 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.125000
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.115226
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.39408
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.44068
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      8.24269
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.7735 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.7233005 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0945946
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.430657
Number of spots with penumbra :           4
c-Class :c
McIntosh Class : Dsc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :      1.65385
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 :      102.250 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4868180 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.157895
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha