2018 Aug 18 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :      2.21429
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.09091
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      51.9482 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25231962 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha