A galaxy visible in the evening sky from Perth, becoming accessible around 18:50 (AWST), 45° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:31, 73° above your southern horizon. It will continue to be observable until around 04:40, when it sinks below 21° above your south-western horizon.
Constellation: Telescopium
Type: E2 - elliptical galaxy
The angular dimensions: 3.60'x2.8'
magnitude: V=10.7m; B=11.7m
The surface brightness: 13.1 mag/arcmin2
Coordinates for epoch J2000: Ra= 20h9m54s; Dec= -48°22'48"
redshift (z): 0.009520
The distance from the Sun to NGC 6868: based on the amount of redshift (z) - 40.2 Mpc;
Other names of the object NGC 6868 : PGC 64192, ESO 233-39, AM 2006-483
Nearby objects:
NGC 6866,
NGC 6867,
NGC 6869,
NGC 6870
2.5 hours in 30 frames 19/8/2023 between 7 and 10pm before I had issues with tracking, if its not one thing its something else. In this image are also NGC 6870, 6871 and a couple of others not identified