2021 Sep 30 1300 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.502016
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.5815 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.2977283 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.136986
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.368071
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 (+/-) :      80.0000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      41.3575 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3193259 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.136986
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.370192
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.613235
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 :           4
Longitudinal extent of this spot group (deg) :      7.82135
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      61.6066 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.7761585 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.156566
p-Class : k
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.406360
Number of spots with penumbra :           4
c-Class :c
McIntosh Class : Dkc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma