Ключевые слова: astrology, astronomy, background, black, blue, blur, bokeh, concept, day, daylight, discovery, education, equipment, focus, instrument, matte, modern, natural, object, observation point, observe, optical, outdoor, photo, planetarium, plants, portable, professional, red, science, sea, sky, spyglass, sunny, system, technology, telescope, telescopic, toned, tool, trees, white,