John Herschel discovered NGC 7734 = h4002, along with NGC 7733, on 2 Nov 1834 and recorded "eF; S; R; 25"; the following and largest of 2."

600/800mm - 25" (10/15/17 - OzSky): at 244x and 397x; moderately bright, roundish, ~45" diameter. Contains a relatively large, slightly brighter central region. NGC 7734 is the slightly brighter of a close 1.25' pair with NGC 7733 off the southwest side. The outer halo of the two galaxies are separated by roughly 30".

Notes by Steve Gottlieb