2017 May 03 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           1

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.02386
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.50000
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      5.47382
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.7878 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0069007 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.137931
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.618182
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dsi
[ Magnetic Class Determination ]
Magnetic Class : Beta