John Herschel discovered NGC 6407 = h3700 on 7 Aug 1834 and recorded "eF; S; R: lbM; 15"; near 3 stars." His position is accurate.

600/800mm - 25" (4/5/16 - Coonabarabran, 318x): bright, moderately large, slightly elongated WSW-ENE, 50"x40", sharply concentrated with a very bright, relatively large core and a much fainter halo. Mag 9.4 HD 160674 is 1.7' SE, a mag 12 star is 1.2' SE, a mag 13 star is 0.7' NE and a mag 14.5 star is 0.7' SSE. Situated in a fairly rich star field.

Notes by Steve Gottlieb