Engraving depicting a Brocken spectre, also called Brocken bow or mountain spectre, is the apparently enormous and magnified shadow of an observer, cast upon the surfaces of clouds opposite the sun. The head of the figure is often surrounded by the glowing halo-like rings of a glory??”rings of coloured light that appear directly opposite the sun when sunlight meets a cloud of uniformly-sized water droplets. Dated 19th century.