2021 Apr 21 1000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           5

Group Index :       1
Ratio of magnetic polarity (+/-) :      2.63559
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.17949
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.5841 (criterion : 50)
N-S diameter of largest penumbra (deg) :       3.4018515 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.152778
p-Class : h
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hhx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.01863
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.28571
[ 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 (+/-) :     0.280105
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.37143
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      43.3309 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.50998349 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.133333
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.132479
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       4
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      35.2616 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4453386 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.121212
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       5
Ratio of magnetic polarity (+/-) :      1.57143
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.40625
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      48.6595 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2267716 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.179487
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha