2025 Apr 19 1800 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           8

Group Index :       1
Ratio of magnetic polarity (+/-) :      1.08134
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      8.00000
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      50.2670 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0147471 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.207547
p-Class : a
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.686869
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cai
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       2
Ratio of magnetic polarity (+/-) :      3.00000
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.18750
[ 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) :    0.0100000
Number of spots with penumbra :           0
c-Class :o
McIntosh Class : Bxo
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       3
Ratio of magnetic polarity (+/-) :    0.0388087
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      55.5531 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.7661917 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.110169
p-Class : k
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.599407
Number of spots with penumbra :           1
c-Class :i
McIntosh Class : Cki
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       4
Ratio of magnetic polarity (+/-) :      28.7273
[ Z-Class Determination ]
Number of spots :           2
Number of spots with penumbra :           1
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      42.2359 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.48559331 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : s
[ c-Class Determination ]
Number of spots :           2
Area ratio (spots/group) :     0.421053
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 (+/-) :      1.44503
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.75000
[ Z-Class Determination ]
Number of spots :           3
Number of spots with penumbra :           2
Z-Class : C
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      21.5324 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.3035135 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.195122
p-Class : s
[ c-Class Determination ]
Number of spots :           3
Area ratio (spots/group) :     0.473684
Number of spots with penumbra :           2
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 :      54.5208 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.36436387 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.300000
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 (+/-) :      1.15303
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           2
[ Z-Class Determination ]
Number of spots :           6
Number of spots with penumbra :           2
Longitudinal extent of this spot group (deg) :      9.71459
Z-Class : D
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      39.5785 (criterion : 25)
N-S diameter of largest penumbra (deg) :       2.9494167 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.153605
p-Class : k
[ c-Class Determination ]
Number of spots :           6
Area ratio (spots/group) :     0.541748
Number of spots with penumbra :           2
c-Class :i
McIntosh Class : Dki
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma-Delta

Group Index :       8
Ratio of magnetic polarity (+/-) :      7.36364
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      36.2030 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0925565 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0888889
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha