Albert Marth discovered NGC 2730 = m 142 on 28 Mar 1864 and noted "vF, L, R." His position is 1.8' due north of UGC 4743 of U04743 = PGC 25384.

400/500mm - 17.5" (1/28/89): faint, moderately large, almost round, low surface brightness. A mag 14.5 star is just off the south edge 0.7' from center. Two mag 12.5 stars lie 2.0' SSE and 2.5' S. Forms a wide pair with NGC 2734 12' E.

Notes by Steve Gottlieb