These images are still created with the old model. The share link states "Made with the old version of image generation. New images coming soon." below the first image.
There is a very detailed video documentation [0] about telescope building techniques, featuring insights from John Dobson, the inventor of the Dobsonian telescope mentioned on the page.
That's because Phyphox is financially backed by multiple public bodys of the German governement, mostly the RWTH Aachen and the Federal Ministry of Education and Research as pointed out on the landing page [0].
> On August 25th, 2025, Firebase Dynamic Links will shut down. All links served by Firebase Dynamic Links (both hosted on custom domains and page.link subdomains) will stop working and you will no longer be able to create new links.
[0]: https://wwlln.net/#maps