2017 Apr 28 2000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.238683
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      52.0000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.5726 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4788315 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.147541
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.554622
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
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 :      23.4308 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2208087 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.141026
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :   0.00934579
[ 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