Abell 3571

Abell 3571 is a cluster of around 126 galaxies low in Centaurus. ESO 383-76 (PGC 48896 and others) is the brightest galaxy in the cluster. See the annotated version.

Luminance – 32x300s – 160 minutes – binned 2x2
RGB – 30:31:30x300s – 150:155:150 minutes each – binned 2x2

615 minutes total exposure – 10 hours 15 minutes

Imaged over six nights in April, 2025 at the El Sauce Observatory (Rio Hurtado, Chile) with a QHY 600M on a PlaneWave CDK24 at f/6.5 3974 mm.

LRGB - https://www.flickr.com/photos/dcrowson/54487917574/sizes/l
LRGB annotated - https://www.flickr.com/photos/dcrowson/54487996143/sizes/l

These are Telescope Live (https://telescope.live/) “One-Click Observations.”