2021 Sep 12 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           2

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.988532
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.47170
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      44.5347 (criterion : 50)
N-S diameter of largest penumbra (deg) :       2.2124059 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.117647
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.293255
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :     0.797127
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      59.5236 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.1720237 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0792079
p-Class : a
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.308585
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma