2017 Apr 23 2000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :    0.0961039
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      4.89500
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      17.9770 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.6480957 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.140127
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.441304
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dsi
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      3.60000
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.90323
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      54.0322 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25744450 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : a
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.125628
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :      5.05660
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      2.68043
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      23.6946 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.5989632 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.133333
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.832061
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dsi
[ Magnetic Class Determination ]
Magnetic Class : Alpha