John Herschel discovered NGC 5292 = h3536 on 30 Mar 1835 and recorded "pF; R; gbM; 20"; has 2 or 3 stars close to it." His position is 1' too far north (same offset as NGC 5191).
400/500mm - 17.5" (3/12/88): moderately bright, fairly small, gradually brighter halo, bright core. Two mag 13-14 stars are collinear to the NE (the closer star is 1.0' from center). Member of IC 4329 cluster (AGC 3574).
Notes by Steve Gottlieb