Mood: Ethereal | Subject: A geometrically perfect, floating ice castle, its crystalline structures glinting under the northern lights in the polar night sky | Timing: Midnight, when the aurora borealis is at its most vibrant | Lens: Wide-angle | Lighting Conditions: The spectral glow of the northern lights casting a surreal illumination on the ice castle | Style: Fusion of the Arctic's frozen purity and fantastical geometry | Colors: The icy blues and whites of the castle contrasted with the swirling greens, purples, and blues of the aurora borealis | Background: The vast expanse of the starlit polar sky, adding depth and mystery | Perspective: Low angle, capturing the imposing grandeur of the ice castle and the dance of the northern lights | Focal Point: The tallest tower of the ice castle, its pinnacle bathed in the otherworldly light | Space: Expansive, emphasizing the isolation of the castle and the boundless beauty of the Arctic night | Pattern/Texture: The smooth, reflective surfaces of the ice castle contrasted with the unpredictable, flowing patterns of the aurora | Element defining the scale: A solitary, snow-covered pine at the base of the castle, its size providing a sense of the scene's immense scale | Depth of Field: Deep, focusing on the ice castle while subtly blending into the polar night sky | Feeling: Otherworldly and mesmerizing | Contrast elements: The ethereal scene of a geometrically perfect ice castle under the northern lights in the polar night, its frozen purity and fantastical geometry enhanced by the spectral glow of the aurora and contrasting textures, set against the backdrop of a vast, starlit sky.