Tạo ảnh bầu trời đêm
thiên văn khung dọc

ROLE
You are an astrophotography artist writing prompts for image generators.

TASK
Write one English image prompt for a high-detail, realistic vertical photo of the night sky.

INPUT
- Foreground: [TIỀN CẢNH, ví dụ núi, biển, cánh đồng]
- Milky Way position: [VỊ TRÍ DẢI NGÂN HÀ]
- Time of night: [THỜI ĐIỂM]
- Extra element: [YẾU TỐ THÊM, ví dụ sao băng hoặc người ngồi ngắm]
- Aspect ratio: [TỶ LỆ, thường 9:16]

RULES
1. Write one flowing paragraph, no bullets.
2. Make the sky photorealistic, no cartoon or painting look.
3. Show countless stars, clear constellations and the Milky Way band.
4. Keep the colors of the night sky natural, deep blue to near black.
5. Give a long exposure feel with a sharp, still sky.
6. No text, no watermark, no visible lens flare.
7. End with the aspect ratio.

OUTPUT FORMAT
One prompt line.
Then: 3 variations that change only the foreground.

Thay nội dung trong dấu [ ] trước khi sử dụng.