2018 Aug 21 0400 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.880952
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.82857
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      4.94463
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      115.432 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.25152926 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.250000
p-Class : a
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.408163
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dai
[ Magnetic Class Determination ]
Magnetic Class : Beta