2025 Apr 19 1900 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           8

Group Index :       1
Ratio of magnetic polarity (+/-) :      2.17308
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      9.50000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      31.8870 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.1422001 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.169492
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :      2.33333
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.00000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           0
Z-Class : B
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.928571
Number of spots with penumbra :           0
c-Class :i
McIntosh Class : Bxi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       3
Ratio of magnetic polarity (+/-) :    0.0338379
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      59.9998 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.5228561 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.128015
p-Class : k
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.646121
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Cki
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :      53.0833
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      29.6157 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.48559294 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.471429
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       5
Ratio of magnetic polarity (+/-) :      1.57609
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.52632
[ Z-Class Determination ]
Number of spots :           4
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      18.3926 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.4439843 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.183908
p-Class : s
[ c-Class Determination ]
Number of spots :           4
Area ratio (spots/group) :     0.515695
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Csi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       6
Ratio of magnetic polarity (+/-) :      0.00000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      64.7214 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.48583762 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0909091
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       7
Ratio of magnetic polarity (+/-) :      1.18425
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           7
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      9.33281
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      33.6379 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.5670068 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.180723
p-Class : k
[ c-Class Determination ]
Number of spots :           7
Area ratio (spots/group) :     0.563895
Number of spots with penumbra :           3
c-Class :c
McIntosh Class : Dkc
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       8
Ratio of magnetic polarity (+/-) :      7.27273
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      39.6719 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.97114635 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0975610
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha