Create a photorealistic image of an astronaut that fills the screen, holding a book in their hands and standing in the midst of a vibrant nebula of swirling colors.
{ "seed": "88153784", "steps": 30, "width": 512, "height": 512, "version": "SH_Deliberate", "sampler_name": "k_dpm_2", "guidance_scale": 7.5 }