2021 Dec 15 2000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.457627
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      6.50000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      60.5335 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.12402898 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :    0.0100000
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.443609
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.39394
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      4.26870
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      22.1045 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2208477 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.120482
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.603175
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 (+/-) :      1.54832
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.59302
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           5
Longitudinal extent of this spot group (deg) :      10.6616
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      54.6375 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.9741758 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.187500
p-Class : a
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.276808
Number of spots with penumbra :           5
c-Class :o
McIntosh Class : Eao
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       4
Ratio of magnetic polarity (+/-) :      1.57143
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           4
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      23.7231
Z-Class : F
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      51.6751 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.7157908 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.111111
p-Class : k
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.311047
Number of spots with penumbra :           4
c-Class :o
McIntosh Class : Fko
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma