2017 Apr 28 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           2

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.173913
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      23.0642 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4660419 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.136364
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.563492
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      23.7579 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.2207246 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.200000
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha