2021 Sep 21 1700 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :      0.00000
[ 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 :       2
Ratio of magnetic polarity (+/-) :     0.689441
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.02326
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      7.97600
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      28.0707 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0246619 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.267857
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.596774
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dsi
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.683007
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.63265
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      42.2356 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.74714897 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.105263
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.672131
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.219580
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      8.79017
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      42.9123 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.3262991 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.133803
p-Class : k
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.666667
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma