2020 Dec 30 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           3

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.425641
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.23256
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      15.7142 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.6723257 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.168033
p-Class : h
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hhx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       2
Ratio of magnetic polarity (+/-) :      0.00000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      1.49916
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      37.5054 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.86233059 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0750000
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.416149
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dsi
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :      107.000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      49.3726 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.49420540 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.266667
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.615385
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Alpha