2024 Apr 17 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 13 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.372881 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.11321 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 48.8356 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7342546 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0769231 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 1.05000 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.11963 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 20.0816 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 25.9475 (criterion : 25) N-S diameter of largest penumbra (deg) : 4.6485536 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.173077 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.937198 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Fki [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 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 : 4 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 28.9438 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.1330152 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.152542 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.695652 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 (+/-) : 0.00000 [ 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 (+/-) : 0.272340 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 26.4045 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.1334397 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.124138 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 7 Ratio of magnetic polarity (+/-) : 0.0480769 [ 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) : 0.126582 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 8 Ratio of magnetic polarity (+/-) : 0.221219 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 4.40741 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 3 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 46.6261 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.37397212 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.222222 p-Class : s [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.0845214 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 9 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 : 10 Ratio of magnetic polarity (+/-) : 0.745636 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 12 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 9.57045 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 41.9528 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3779789 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.114094 p-Class : a [ c-Class Determination ] Number of spots : 12 Area ratio (spots/group) : 0.241096 Number of spots with penumbra : 5 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 11 Ratio of magnetic polarity (+/-) : 1.29115 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 21 Number of spots with penumbra : 10 Longitudinal extent of this spot group (deg) : 20.9762 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 57.2505 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.5816219 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.173077 p-Class : a [ c-Class Determination ] Number of spots : 21 Area ratio (spots/group) : 0.106569 Number of spots with penumbra : 10 c-Class :o McIntosh Class : Fao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 12 Ratio of magnetic polarity (+/-) : 0.962617 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 1.66645 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 29.8108 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.5263551 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.172414 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.507246 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 13 Ratio of magnetic polarity (+/-) : 0.410256 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.25000 [ 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) : 0.619048 Number of spots with penumbra : 0 c-Class :i McIntosh Class : Bxi [ Magnetic Class Determination ] Magnetic Class : Beta