Image created with Midjourney.
Prompt
photorealistic scene depicting a starry night view reflecting on the shores of an alien planet as it orbits a star far above the plain of the Milky way galaxy. The spiral of the Milky way is clearly visible in the night sky. --ar 16:9 --v 6
Comment
This image did display a spiral galaxy in the night sky, as I had imagined. It could use improvement, but seemed pretty enough. :-)