2021 Sep 28 1800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           4

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.230263
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ 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 : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.885522
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.08889
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.3662 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.40316174 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.100000
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.230769
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.540541
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.21739
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      47.6516 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.24570361 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.222222
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :     0.170290
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      83.7511 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.97156376 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0625000
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.216981
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Alpha