Hickson 63

Hickson Compact Group 63 consists of four galaxies in Centaurus:

ESO 443-37 (HCG 63a, PGC 44984 and others) – the galaxy at the left (east)

ESO 381-50 (HCG 63b, PGC 44965 and others) – the spiral with the wild arm

PGC 44979 (HCG 63c and others) – the galaxy between ESO 443-37 and ESO 381-50

PGC 44959 (HCG 63d and others) – the galaxy to the right of PGC 44979

See the annotated image for the locations of these and various other galaxies.

Luminance – 18x300s – 90 minutes – binned 2x2

RGB – 18:15:15x300s – 90:75:75 minutes each – binned 2x2

330 minutes total exposure – 5 hours 30 minutes

Imaged over nine nights in April, May and June, 2023 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/52975689595/sizes/l/

LRGB annotated - https://www.flickr.com/photos/dcrowson/52975689880/sizes/l/

These are Telescope Live (https://telescope.live/) “One-Click Observations.” Gold level members and above can suggestion these. This is one of my suggestions.