2021 Apr 23 2100 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           5

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.258065
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.34615
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      54.3858 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.38962188 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : a
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.160000
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :      6.40000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      40.5534 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.28005595 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.100000
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 (+/-) :      3.75610
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.20513
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.201258
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       5
Ratio of magnetic polarity (+/-) :     0.250000
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.42857
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      19.1419 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2487313 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.136364
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha