Comets

West 1976 Mar. 6

IRAS-Araki-Alcock 1983 May 10

Hyakutake 1996 Mar. 24

Hyakutake 1996 Mar. 26

Hyakutake 1996 Apr. 11

Hale-Bopp 1997 Mar. 8

Hale-Bopp 1997 Mar. 10

NORTH AMERICAN NEBULA
by Gary W. Kronk