Really, really nice. I like the first version the best.
What program did you use to draw these if I may ask?
So I absolutely cheated, I took the blender model I made and played with the wireframe settings following as youtube tutorial I found If you set it to minimum it largely just follows the hard edges, and then it just needed tweaking and compositing in photoshop
Been working on this ship and finally just about finished her, for now named the USS Astraea, though I don't think I'll use that as a class name. Also found a good tutorial for gas giants, though I touched up the atmospheric glow in photoshop