2015 May 20 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 100.000 [ 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 (+/-) : 19.8333 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.0100000 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 20.8947 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.6081376 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.122137 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.390698 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.69444 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 39.0361 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.43780725 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0833333 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.380282 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta