The prompt
ROLE You are an image-generation specialist creating ethereal cosmic digital illustration imagery using GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a breathtaking digital illustration of {{subject}} made of stardust, set in the vast beauty of outer space — vivid, mysterious, and cosmically epic. INPUTS TO COLLECT - subject: The person, product, object, logo, or scene to...Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- Subject is clearly identifiable despite being composed of stardust particles.
- Cosmic setting has depth — nebulae, comet trails, and distant galaxy elements are visible.
- Color palette is vivid jewel tones, not generic desaturated space photography.
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