NGC 321 is an elliptical galaxy located in the constellation Cetus. It was discovered on September 27, 1864, by the astronomer Albert Marth. Measurements of its redshift put it at a distance of about , assuming a Hubble constant of H0 = 67.8 km/sec/Mpc.
A fictional star cluster with the same designation was the location of the planet Eminiar VII in the original series Star Trek episode "A Taste of Armageddon".Written by Robert Hamner and Gene L. Coon, directed by Joseph Pevney (February 23, 1967)."A Taste of Armageddon" Star Trek: The Original Series. Season 1. Episode 23. NBC.
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