M108 is a barred spiral galaxy located about 46 Mly away in the constellation Ursa Major. It's inclination puts it almost edge on to our line of sight and we can see prominent dust lanes across the galaxy.
@evilscientistca left-above the galaxy, some broken pixels or something? Twice the same pattern though.
@jasper imaging artifact. Hot pixels. Remember that the image is made up of 4 images that themselves are made up of multiple images. Any drift of the field will cause hot pixels to appear to move.
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