2024 Apr 20 1300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 10 Group Index : 1 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 : 75.5482 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.69215515 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0714286 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 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 : 39.1094 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.64973698 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.150000 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.00000 [ 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) : 0.0100000 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.614476 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 10 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 13.9334 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 23.4757 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.0232014 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.125000 p-Class : s [ c-Class Determination ] Number of spots : 10 Area ratio (spots/group) : 0.297378 Number of spots with penumbra : 5 c-Class :o McIntosh Class : Eso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 5 Ratio of magnetic polarity (+/-) : 0.571168 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 17 Number of spots with penumbra : 11 Longitudinal extent of this spot group (deg) : 18.2694 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.7520 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3125490 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0699301 p-Class : a [ c-Class Determination ] Number of spots : 17 Area ratio (spots/group) : 0.144928 Number of spots with penumbra : 11 c-Class :o McIntosh Class : Fao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 6 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.9421 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.61449391 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.100000 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.147887 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 7 Ratio of magnetic polarity (+/-) : 1.25620 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 3.75000 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 57.8492 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.85401687 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.142857 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.153846 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 8 Ratio of magnetic polarity (+/-) : 0.147059 [ 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 : 9 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 5.88915 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 20.6550 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.5707199 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.154545 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.511905 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 10 Ratio of magnetic polarity (+/-) : 0.00000 [ 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) : 0.146341 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha