John Herschel discovered NGC 6492 = h3714 on 22 Jul 1835 and recorded "pF; S; pmE; in direction of the parallel; precedes a * 12m, which is all but involved." His position is accurate.

600/800mm - 25" (4/5/16 - Coonabarabran, 318x): fairly bright, fairly large, elongated 2:1 WSW-ENE, ~1.8'x0.9', brighter along the major axis. Situated in a bright star field, along numerous faint stars. A mag 11.2 star is at the east edge, 50" from center, a mag 13.5 star is 1.2' SW and a mag 14.5 star is 40" SE of center. A mag 6.8 yellow-orange star (HD 163880) lies 8' SE, mag 8.4 HD 163544 is 6.8' SW, and two additional mag 10/11 stars are 5' NW.

Notes by Steve Gottlieb