Many galaxies are visible in this deep field exposure, and its just a part of a larger mosaic, zoomed in 16 times.
Into the deep (field) with ESA's Euclid 'dark universe' telescope: Space photo of the day
Source: space
Source Link: https://www.space.com/space-exploration/into-the-deep-field-with-esas-euclid-dark-universe-telescope-space-photo-of-the-day