2015 Oct 20 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      5.57025
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      24.3383 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.6264572 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.158163
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.694268
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Alpha

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 :      35.4341 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.64497171 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.240000
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 (+/-) :      1.15945
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      13.5202
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      46.1138 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.0210458 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.171875
p-Class : k
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.523139
Number of spots with penumbra :           4
c-Class :c
McIntosh Class : Ekc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       4
Ratio of magnetic polarity (+/-) :      1.75510
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.08000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.5917 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.1556706 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.187500
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma