2018 May 27 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :      3.93865
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           1
Roughness of the longest magnetic neutral line :      1.76316
[ Z-Class Determination ]
Number of spots :           5
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      96.7332 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.52678705 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.153846
p-Class : a
[ c-Class Determination ]
Number of spots :           5
Area ratio (spots/group) :     0.112717
Number of spots with penumbra :           1
c-Class :o
McIntosh Class : Cao
[ Magnetic Class Determination ]
Magnetic Class : Beta