2021 Sep 23 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.928839 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28571 [ 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) : 0.0100000 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.696644 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.65217 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 5.50319 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 26.8132 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.73639343 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.191489 p-Class : s [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.162050 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.192982 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.4843 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.1620405 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.137143 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.579618 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cki [ Magnetic Class Determination ] Magnetic Class : Alpha