Celestial Astrologer Observatory Concept

An enchanting, highly detailed character concept portrait depicting an ancient celestial astrologer in his late 60s working inside a massive dome observatory at midnight. He has a long silver beard, kind intelligent eyes surrounded by deep wisdom lines, and wears rich deep sapphire velvet robes embroidered with glowing constellation maps in real gold thread. Surrounding him are complex antique brass astrolabes, armillary spheres, magnifying lenses, floating star charts rendered in soft blue light, and giant leather-bound astronomical ledgers stacked on mahogany desks. Above him, the giant open dome ceiling reveals a magnificent view of the cosmos, filled with glowing purple nebulae, shimmering distant galaxies, and bright silver starlight. The scene is illuminated by warm candlelight from brass lanterns on his desk, creating soft amber highlights across his face and robes, contrasted with cool starlight pouring down from the open night sky above. He holds a glowing brass compass in one hand, pointing toward a celestial map with deep fascination. Rendered as a detailed digital painting with smooth brushwork, hyper-detailed brass textures, rich luminous colors, volumetric star light, crisp focal clarity, and a magical, scholarly fantasy mood.