2024 Apr 19 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 10 Group Index : 1 Ratio of magnetic polarity (+/-) : 3.30769 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.33333 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 40.2602 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.91869158 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.166667 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.0714286 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.0931 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.76663458 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.162162 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.531250 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.227848 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 (+/-) : 0.123153 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.2744 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.36848795 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.250000 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 5 Ratio of magnetic polarity (+/-) : 0.675335 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.95082 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 13.0442 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 28.9836 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.0088250 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.133333 p-Class : a [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.293853 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Eao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 6 Ratio of magnetic polarity (+/-) : 1.10214 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 26 Number of spots with penumbra : 11 Longitudinal extent of this spot group (deg) : 23.0892 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 66.3743 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.3090462 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.108861 p-Class : k [ c-Class Determination ] Number of spots : 26 Area ratio (spots/group) : 0.156489 Number of spots with penumbra : 11 c-Class :o McIntosh Class : Fko [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma-Delta Group Index : 7 Ratio of magnetic polarity (+/-) : 1.07947 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.55263 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 5.28502 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 48.7236 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.61273225 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.133333 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.191740 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 8 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 : 9 Ratio of magnetic polarity (+/-) : 4.20000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.57143 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 5.03069 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 21.6514 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.6721350 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.149533 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.456763 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta 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) : 0.191489 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha