2021 Sep 13 0000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.17380 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.70690 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 45.4531 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4369363 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.166667 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.251748 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.693878 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 33.6503 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4539392 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.104478 p-Class : s [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.267857 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma