Deep Space skybox. Sketchfab automatically lowered the resolution. Download the full resolution texture (12288x6016 jpg, 40mb) here: https://mega.nz/file/AOtlkIjJ#DOSZWIqdjwbkJ1N6OFx0JSmuCirGgQ5Scxoe71qQLFU

If you want more skyboxes, go to my store on backgroundpeople DOT gumroad DOT com.