Ralph Copeland discovered NGC 2429 on 10 Mar 1874 with the 72". and recorded "pF, pS, vmE 146.4°, att to a *12 at sf end." Copeland's description and micrometric offset from a mag 10 star matches the double system UGC 3983. MCG lists the two components separately: MCG +09-13-039 = NGC 2429A and MCG +09-13-040 = NGC 2429B.

400/500mm - 17.5" (2/8/91): faint, small, very elongated 4:1 NW-SE, low even surface brightness. A mag 13.5 star is involved at the SE end 0.3' from center and a mag 11 star is 0.8' SE. Forms a pair with NGC 2426 5.0' SW.

Notes by Steve Gottlieb