LEDA 140256 (5' SE): fairly faint, very small, round, 15" diameter.

ESO 510-066 (9' SSW): nearly moderately bright, fairly small, round, 25" diameter.

ESO 510-072: (16' NNE): very faint, fairly small, elongated 2:1 WMW-ESE, ~30"x15"

ESO 510-074 (19' ENE): moderately bright and large, very elongated 3:1 NW-SE, 0.9'x0.3'.

Lewis Swift discovered IC 4374 = Sw. XI-166 on 21 Apr 1898 and reported "eeeF; pS; R; forms part of trapezium; not [NGC 5495]." His position and description is good despite discovery in the last couple of months of his observing career when many of his discoveries have very poor positions.

600/800mm - 25" (4/3/19 - OzSky): this galaxy is the brightest cluster member in AGC 3581. At 244x; fairly bright, moderately large, oval 4:3 WNW-ESE, 1.2'x.0.9', bright core. Two bright stars are nearby: mag 9.5 HD 123312 is 2.4' NNW and mag 9.5 HD 123357 is 4' NE.

Notes by Steve Gottlieb