2021 Sep 20 1700 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.602041
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.48485
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      69.7013 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25597253 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.386364
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.923077
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.59259
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      47.9008 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.62516875 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.100000
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.657143
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.340381
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      4.95000
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      11.8680
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      39.0733 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.4404634 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.148148
p-Class : k
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.756614
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Eki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma