2024 May 21 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 8 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.0539216 [ 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 : 2 Ratio of magnetic polarity (+/-) : 0.341463 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 : 37.8705 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7032379 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.174603 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 1.06553 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 11.8794 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 37.8201 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3499349 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.153846 p-Class : a [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.343949 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Eao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 4 Ratio of magnetic polarity (+/-) : 1.03858 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.72727 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 39.4256 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.4701439 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.125786 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.644928 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 5 Ratio of magnetic polarity (+/-) : 0.677650 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 9 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 10.8932 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 12.3452 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.7490578 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.233933 p-Class : h [ c-Class Determination ] Number of spots : 9 Area ratio (spots/group) : 0.253816 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Eho [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 6 Ratio of magnetic polarity (+/-) : 0.101580 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 2.91096 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 39.7551 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.8422780 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.149254 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.449458 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 7 Ratio of magnetic polarity (+/-) : 0.0196078 [ 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 : 8 Ratio of magnetic polarity (+/-) : 0.454545 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 46.9529 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.63153605 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0588235 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha