William Lassell discovered NGC 2620 = m 124 on 5 May 1863 with his 48" on Malta (about a month before Marth started his systematic search). It was included in the 1867 Malta catalogue. Lassell's position matches UGC 4501.

400/500mm - 17.5" (1/1/92): very faint, small, elongated 2:1 E-W, low even surface brightness. A mag 15 star is 30" N of center. Forms a close pair with NGC 2621 4.0' NE. NGC 2622 lies 10' ESE.

Notes by Steve Gottlieb