That’s the thing though. An artist rendering is where an artist makes something up from scratch based on a description. There is way less creative freedom here. All of the content In the picture was captured by the telescope. It’s literally not an artist rendering. At worst, it’s retouched and color-shifted. You make it seem like these pictures are fake news or something, which is far from the truth.
Discussion
Also the technique does exist for terrestrial photography. See: https://www.naturettl.com/ultraviolet-light-landscape-macro-photography/
Beautiful.