A hyperrealistic depiction of the Autumn Equinox, featuring the Sun, the Moon, and two regal ponies resembling Celestia and Luna, with their eyes closed. The Sun is setting on one side, casting rich golden and orange hues across the landscape, while the Moon is rising on the other side, giving off a soft blue glow. The pony on the left, inspired by Celestia, is white with a flowing, multi-colored mane shimmering in the golden light. The pony on the right, resembling Luna, is blue with a starry mane reflecting the moonlight. Both have closed eyes, showing serene expressions. The scene includes vibrant autumn trees with red, orange, and yellow leaves, and detailed textures of the landscape, capturing the balance of day and night. The pony on the right is a vibrant blue, matching the moonlight perfectly.