2021 Apr 19 1100 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           2

Group Index :       1
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      54.5027 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.40693772 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0769231
p-Class : a
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.112392
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      7.78355
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      38.2388 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2109080 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.135135
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.328125
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Alpha