Ключевые слова: abstract, astronomy, astrophotography, aurora, blur, borealis, curves, dancing, dark, exposure, glowing, green, illuminated, ionosphere, lake superior, landscape, light, long, magenta, medium, midwest, minnesota, motion, natural, nature, night, nobody, north, northern, outdoor, outdoors, phenomenon, polaris, ribbons, scenic, shapes, sky, snow, solar, space, starry, stars, travel, tree line, trees, usa, wind, winter,