2025 Jul 18 0000 UTC
Sunspot Group Classification Results
Number of Detected Sunspot Groups :           8

Group Index :       1
Ratio of magnetic polarity (+/-) :     0.280000
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      1.13793
[ 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) :     0.826087
Number of spots with penumbra :           0
c-Class :i
McIntosh Class : Bxi
[ Magnetic Class Determination ]
Magnetic Class : Beta

Group Index :       2
Ratio of magnetic polarity (+/-) :    0.0467836
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      55.9283 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0042175 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.166667
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       3
Ratio of magnetic polarity (+/-) :     0.930864
More than one magnetic neutral line is found
Number of Significant Neutral Lines :           6
[ Z-Class Determination ]
Number of spots :          12
Number of spots with penumbra :           7
Longitudinal extent of this spot group (deg) :      42.1376
Z-Class : F
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      48.0236 (criterion : 25)
N-S diameter of largest penumbra (deg) :       3.7863658 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.149201
p-Class : k
[ c-Class Determination ]
Number of spots :          12
Area ratio (spots/group) :     0.372897
Number of spots with penumbra :           7
c-Class :o
McIntosh Class : Fko
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       4
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       5
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           0
Z-Class : A
[ p-Class Determination ]
p-Class : x
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Axx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       6
Ratio of magnetic polarity (+/-) :     0.904092
Only one magnetic neutral line is found
Roughness of the only magnetic neutral line :      2.30909
[ Z-Class Determination ]
Number of spots :           9
Number of spots with penumbra :           3
Longitudinal extent of this spot group (deg) :      10.8333
Z-Class : E
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      41.3801 (criterion : 25)
N-S diameter of largest penumbra (deg) :       1.7227779 (criterion : 2.5 deg)
Ratio of umbral area to spot area :    0.0593220
p-Class : a
[ c-Class Determination ]
Number of spots :           9
Area ratio (spots/group) :     0.318707
Number of spots with penumbra :           3
c-Class :o
McIntosh Class : Eao
[ Magnetic Class Determination ]
Magnetic Class : Beta-Gamma

Group Index :       7
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 :      25.5703 (criterion : 50)
N-S diameter of largest penumbra (deg) :       1.0689278 (criterion : 2.5 deg)
Ratio of umbral area to spot area :     0.142857
p-Class : s
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hsx
[ Magnetic Class Determination ]
Magnetic Class : Alpha

Group Index :       8
Ratio of magnetic polarity (+/-) :      100.000
[ Z-Class Determination ]
Number of spots :           1
Number of spots with penumbra :           1
Z-Class : H
[ p-Class Determination ]
Asymmetry factor of penumbral shape :      230.968 (criterion : 50)
N-S diameter of largest penumbra (deg) :      0.24577451 (criterion : 2.5 deg)
Ratio of umbral area to spot area :      0.00000
p-Class : a
[ c-Class Determination ]
Number of spots :           1
c-Class :x
McIntosh Class : Hax
[ Magnetic Class Determination ]
Magnetic Class : Alpha