2017 Aug 21 2300 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.129454
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      5.00674
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      24.7136 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.4546745 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.164444
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.452703
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dsc
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      3.10571
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.67089
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      11.0743
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      26.4192 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.3315128 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0677966
p-Class : a
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.435396
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Eai
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :      2.41694
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           3
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      8.04679
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      52.1723 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.2545993 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0451613
p-Class : k
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.436202
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma