### Human: I would like a prompt for Stable Diffusion displaying ultra realistic retro futuristic astronaut helmet### Assistant: ultra realistic retro futuristic astronaut helmet, lens flare, diffuse lighting, fantasy, intricate, elegant, highly detailed, lifelike, photorealistic, digital painting, artstation, illustration, concept art, smooth, sharp focus, art by John Collier and Albert Aublet and Krenz Cushart and Artem Demura and Alphonse Mucha