William Herschel discovered NGC 1507 = H II-279 on 6 Jan 1785 (sweep 351) and recorded "mE, easily resolvable, about 4' long, some of the stars [in it] visible." On 1 Feb 1786 (ssweep 518) he noted "vF, mE, vlbM, about 3' l."

300/350mm - 13.1" (12/18/82): fairly faint, edge-on 4:1 N-S, even surface brightness. A mag 10.5 star is 3.4' SSE and a mag 13 star is 1.2' W.

Notes by Steve Gottlieb