2015 Apr 25 1800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.492537
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.45946
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.4949 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.0336559 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.123810
p-Class : k
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hkx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      1.42626
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      14.1932
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      21.8808 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.4642784 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.157343
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.530732
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Esc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :    0.0255102
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.764706
Number of spots with penumbra :           0
c-Class :i
McIntosh Class : Bxi
[ Magnetic Class Determination ]
Magnetic Class : Alpha