William Herschel discovered NGC 4143 = H IV-54 = h1104 on 14 Jan 1788 (sweep 798) and noted "cB, Nucleus with faint chevelure (halo)." His position is just off the east side of this galaxy. On 1 May 1828 (sweep 150), John Herschel logged "R; sbM to nucleus."

300/350mm - 13.1" (4/12/86): moderately bright, fairly small, slightly elongated, very bright core, stellar nucleus. Located 5.0' NE of mag 7.6 SAO 44055. Member of the NGC 4111 group = LGG 269.

Notes by Steve Gottlieb