NGC 7640 is a spiral galaxy in the constellation of Andromeda and is approx. 30 million light years from earth.
This photo is composed of 779 - 10 second exposures for a total exposure of a little over 2 hours. It was processed using Siril, Starnet ++, and GraXpert all of which are free. The images were gathered with my trusty ZWO Seestar S50