The Perseus Galaxy Cluster also known as Abell 426 lies about 250 million light years from Earth.
It has more than 1000 members, the brightest and most prominent of which is NGC 1275 - seen at the Left side.

L-(Ha)-RGB image
RGB 20 min each
Ha -6 Hrs
Luminance - 3 Hrs
Total of about 10 hrs.

Telescope: ASA600 24" RC with Reducer at f4.5
Mount: ASA DDM200 Direct Drive with Absolute Encoders
Camera: Moravian G3 61000 pro

Imaged from Tivoli farm, Namibia