Ключевые слова: abstract, astro, astronomy, astrophotography, background, black, blue, blur, celestial, clear, color, colorful, constellation, dark, dawn, dusk, earth, graphic, hill, horizon, light, line, lines, meteor, milky, motion, mountain, movement, nature, night, nighttime, north, northern, optic, orion, polar, polaris, pole, shape, silhouette, sirius, sky, space, spring, star, stars, startrail, startrails, streak, top, trail, trailing, trails, universe, ursa, white, yellow,