2018 Feb 13 0000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.928571
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.76190
[ Z-Class Determination ]
Number of spots :           8
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      10.2480
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      17.9508 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.0258962 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.107843
p-Class : s
[ c-Class Determination ]
Number of spots :           8
Area ratio (spots/group) :     0.366197
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Eso
[ Magnetic Class Determination ]
Magnetic Class : Beta