William Herschel discovered NGC 7506 = H III-184 = h2210 on 20 Sep 1784 (sweep 279) and logged "eF, vS, stellar. 240 verified it." On 6 Sep 1831 (sweep 371), JH called it "Not vF; R; gb and smbM to a * 15m." His mean position from two observations is accurate.

400/500mm - 17.5" (8/1/87): moderately bright, moderately large, elongated WNW-ESE, bright core, fainter extensions. NGC 7517 lies 23.5' ENE.

Notes by Steve Gottlieb