2018 Jan 16 1600 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.974026
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.70270
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      2.11128
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      40.1970 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.96363791 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0714286
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.451087
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dsc
[ Magnetic Class Determination ]
Magnetic Class : Beta