JAN HATTENBACH ICY DISPLAY by Sean Walker Leonard's Surprising Show Comet C/2021 A1 closed out 2021 with a photographic bang. MEANDERING TAIL Comet Leonard displays knots and kinks in its bluish ion tail as seen from the slopes of Roque de los Muchachos on La Palma, Spain. The comet's extensive tail spans more than 36° in this tracked, two-frame mosaic recorded on the evening of December 26, 2021, with a Canon EOS 6D operating at ISO 3200 and a 50-mm lens. 58 MAY 2022 * SKY & TELESCOPE