A low-poly 3D rendered ancient celestial observatory at twilight, stone megalithic pillars arranged in circular formation surrounding a massive brass telescope, robed astronomers in pointed hats studying star charts, pixel art moon and telescope icons float in UI style, deep violet and warm amber lantern glow, volumetric mist rolling across ancient stone, isometric composition with dramatic depth, nostalgic 16-bit RPG aesthetic meets modern indie art, contemplative atmosphere of cosmic wonder, color palette of midnight purple, warm gold, soft teal and stone gray, detailed pixel art scroll and star icons floating