2021 Apr 19 1000 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 :      45.6336 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.41890780 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.300000
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.107143
Number of spots with penumbra :           2
c-Class :o
McIntosh Class : Cso
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           4
Longitudinal extent of this spot group (deg) :      7.72623
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      30.3240 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3478086 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.218182
p-Class : s
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.329897
Number of spots with penumbra :           4
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Alpha