A formidable ancient Babylonian astronomer-priestess from a fictional 6th century Neo-Babylonian empire stands in a rooftop ziggurat observatory during a spectacular meteor shower, wearing layered deep blue and gold robes with intricate celestial spiral embroidery and a towering gold lamella crown with dangling lapis lazuli beads, her long black hair adorned with silver star hairpins and crimson silk ribbons, gripping a sacred celestial cylinder seal, wise transcendent expression, dramatic silver meteor trail illumination contrasting warm amber torchlight from bronze altar braziers, rich details of ancient astronomical tablets and brass orrery instruments, oil painting texture with digital precision, powerful dignified three-quarter composition against epic dark sky with brilliant meteor trails and ancient constellation markings, 4k hyperdetailed digital art