2018 May 31 1700 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.62040
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      4.77946
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      74.1175 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.89213643 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.115385
p-Class : a
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.181818
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Dao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma