2015 Jul 24 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.178862 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.92452 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.3343 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.40162887 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.176471 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.491803 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.441341 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.63636 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 354.152 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.29575528 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.140351 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta