He also discovered comets C/1877 G2, C/1878 N1, C/1879 M1, C/1881 J1, C/1881 W1, C/1892 E1, D/1895 Q1 (a.k.a.
Ги открил и кометите C/1877 G2, C/1878 N1, C/1879 M1, C/1881 J1, C/1881 W1, C/1892 E1, D/1895 Q1, C/1896 G1 и C/1899 E1.