2021 Apr 19 0900 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 :      42.7175 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.27822568 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.222222
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.111498
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 :           5
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      7.87675
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.9016 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2135261 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.178571
p-Class : s
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.323834
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dso
[ Magnetic Class Determination ]
Magnetic Class : Alpha