2015 May 28 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.10345
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.29630
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      66.3133 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0341251 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0476190
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha