2017 Jun 04 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.729078 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 55.3369 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2339938 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0535714 p-Class : a [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.405512 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma