William Herschel discovered NGC 4958 = H I-130 = h3465 on 3 Mar 1786 (sweep 536) and noted "vB, S, lE." JH called it "vB; pL; pmE; psmbM; 90" long" and measured an accurate position.

400/500mm - 17.5" (5/17/90): bright, moderately large, edge-on 4:1 SSW-NNE, dominated by a small very bright core. A mag 13.5 star is off the west edge 1.4' WSW of center. NGC 4948 lies 14' NW.

Notes by Steve Gottlieb